Spots

Professional desperate terror breaks through long-standing detective rivalries

Sitting in his Times Square office, celebrated sleuth Nat Ridley receives an unexpected telephone plea for help from Carl Lemberg, his bitterest commercial rival in New York. Assistant Berry Todd suspects a trick or a failed robbery case, but Nat senses genuine alarm in Lemberg's voice. The rival detective insists on a face-to-face meeting regarding a personal family emergency. Nat agrees to hear him out, putting professional animosity aside for a friend in need.

CHAPTER I

Murder across borders leaves wealth tainted by secret terror

Carl Lemberg arrives trembling at Nat Ridley's office to reveal that his brother Henry and uncle August were murdered in Rolamotaza, Mexico. The relatives had bought lucrative oil wells from local syndicate members, who returned demanding the land back once the gushers spouted wealth. Lemberg reveals that investigator Dan Steele, formerly employed by Nat, was also slain while hunting the killers. Terrified that he is the next target, Lemberg begs Nat for protection.

CHAPTER II

Personal loyalty to fallen friends compels taking dangerous cases

Deep in terror, Carl Lemberg offers to surrender his Mexican oil holdings if Nat Ridley can stop the ruthless assassins of the Tola society. The Tolas, an ancient Aztec-descended brotherhood, seek to reclaim their ancestral lands by killing all legal heirs. Nat rejects Lemberg's cowardice but accepts the case to avenge his slain former associate Dan Steele. Nat promises to operate entirely in secret to keep the assassins off his trail.

CHAPTER III

Assassination strikes in broad daylight inside moving city vehicles

Minutes after leaving Nat Ridley's office, Carl Lemberg is found dead inside a Manhattan taxicab with a fatal dagger wound to his heart. Chauffeur Carter drives to Bellevue Hospital, but surgeons confirm instantaneous death without finding a weapon. Inspecting the impounded vehicle at precinct headquarters, Nat confers with Lieutenant Kelly and Captain Flood to establish the murder timeline. Nat realizes the Tola gang's New York agents strike with lethal speed.

CHAPTER IV

Quick disguises turn open surveillance into counter-shadowing tactics

Outside the precinct station, Nat Ridley spots three dark-visaged Mexicans whispering insults about the victim. Assuming an instant street disguise, Nat enlists a department store delivery driver to track the trio discreetly across Manhattan. The chase leads straight to the Club Tamalle, a known haunt for Spanish-speaking underworld figures. Retaining a cryptic card recovered from Lemberg's death cab, Nat returns to his headquarters to plan his next move.

CHAPTER V

Urban alleys become mortal traps for unwary investigators

Investigating near Carl Lemberg's apartment, Nat Ridley is dragged into a pitch-black alley by a horsehair lasso. Two Tola killers attempt to plunge a knife between his ribs, but Nat counters with a savate heel kick to one assailant's ribs. Firing his automatic from the hip, he forces the second attacker to flee into the night. When a city patrolman arrives after a power outage, Nat claims simple muggers attacked him while keeping the horsehair rope as evidence.

CHAPTER VI

Decoy identities force concealed enemies into the open light

Nat Ridley hatches a deception with assistant Berry Todd, who dresses as Nat while the chief adopts the persona of a visiting small-town merchant. Office boy Toodles helps broadcast the false news that Ridley has left Manhattan on a fishing trip. As Berry steps into the street as the chief detective, a shadowy figure lurks close behind him. Trailing both men through the city, Nat confirms the Tola network is keeping his office under strict surveillance.

CHAPTER VII

Darkness in crowded dens masks targeted violent attacks

Following Berry Todd into the Club Tamalle, Nat Ridley watches patrons mingle until someone cuts the venue's electrical power. In the dark, Nat deflects a dagger aimed at Berry's chest by an unseen assailant. Midst screaming crowds pushing toward the exits, Nat battles off two attackers trying to pin him against the wall. Before the villains slip away, Nat manages to tear off half of one murderer's suit jacket.

CHAPTER VIII

Clues hidden in torn fabric point across distant borders

Retreating to their headquarters through a secret alleyway gate, Nat Ridley and Berry Todd analyze the half jacket seized during the brawl. Inside the inner pocket, Nat finds Mexican cigarettes, matches, and letters addressed to Juan Castro in Rolamotaza. The letters mention valuable oil properties and name a woman, Cora Ardell. Realizing Juan Castro leads the local violence, Nat decides to head south to trace the mystery to its source.

CHAPTER IX

Spies disguised as workers strike before translations are complete

A Spanish scholar translates the captured Castro letters in Nat Ridley's private office, revealing specific Mexican oil properties under dispute. Suddenly, a fake window cleaner climbs along the building ledge, snatches the original documents, and vanishes into an adjacent suite. Fortunately, the translator had already transcribed the text, providing Nat with full details. Nat adopts the disguise of hardware salesman Bill Brice and prepares to travel to Texas.

CHAPTER X

Evasion on overnight trains disrupts targeted ambush attempts

Boarding a midnight sleeper express out of New York, Nat Ridley finds a swarthy stranger unlawfully sleeping in his reserved upper berth. Sensing the man is a Tola operative sent to eliminate him en route, Nat reclaims his section and warns the porter. Instead of turning in, Nat quietly drops off the train at an early junction before dawn. The morning porter finds lower twelve completely empty, leaving the confused spy behind.

CHAPTER XI

Underground nightlife spots reveal wealthy leaders of criminal networks

Posing as noisy hardware salesman Bill Brice in the border town of Paloma, Nat Ridley buys champagne for patrons at the Cordova Club. Playing the part of a reckless spender seeking oil investments, Nat draws out local promoter Señor Valdez. Valdez promises an introduction to El Capitan Martolo, a retired Mexican army officer who dominates regional oil holdings. Nat marks Martolo as the mastermind behind the Tola society.

CHAPTER XII

Subterranean escapes bypass chaotic gunfights in crowded clubs

Chaos erupts in the Cordova Club when an incoming messenger recognizes Nat Ridley beneath his salesman disguise. Shots ring out across the hall, forcing Nat to duck down the cellar steps in total darkness. Navigating the quiet basement corridors, Nat encounters an elderly white-haired wine keeper tending hidden stock. By casually dropping El Capitan's name, Nat avoids suspicion and searches the basement for secret quarters.

CHAPTER XIII

Dungeon discoveries reveal captive witnesses to family murders

Exploring the deep cellar vaults, Nat Ridley discovers a brutal Negress whipping a bound young woman. Nat disarms and gags the black woman, freeing the victim, who introduces herself as Cora Ardell. Cora explains she was cousin and secretary to Henry and Carl Lemberg before being kidnapped to force her signature on oil deeds. Hearing that Carl was also murdered, Cora agrees to flee the building with Nat.

CHAPTER XIV

Explosive collapses create unexpected subterranean survival channels

A sudden bomb explosion shatters the Cordova Club upstairs, collapsing the ceiling onto the basement dungeon. Knocked unconscious by falling masonry, Nat Ridley is dragged up a collapsed stone incline by Cora Ardell. She pulls him into an abandoned drainage tunnel at the edge of town just as dawn breaks. Waking with a head injury, Nat thanks Cora for saving his life and prepares to find food and safety.

CHAPTER XV

Double disguises allow fugitives to pass through enemy lines

Hidden in the collapsed tunnel, Nat Ridley and Cora Ardell listen as Tola search parties pass overhead calling for the hardware salesman. Nat uses his pocket theatrical makeup kit to transform Cora and himself into siblings Belle and James Stanton. Slipping out after dark, they inspect the ruined club before Nat secures a quiet boarding house for Cora. Nat then prepares to cross the Mexican border toward Rolamotaza alone.

CHAPTER XVI

Frontier saloons yield unexpected allies among wandering cowboys

Riding a pinto pony under the identity of cowboy Pocus Pete, Nat Ridley travels through scorched sagebrush to Rolamotaza. Entering the Stella d'Ora saloon, he strike up a conversation with two stranded cowboys, Lazy Ike Nolan and Slim Jim. Pete offers to buy drinks for the pair, who complain that regional oil cartels have ruined cattle country with lawlessness, greed, and mysterious deaths.

CHAPTER XVII

Frontier murder leaves distinctive weapons as gruesome signatures

After Pocus Pete exposes card sharpers in a saloon brawl, he rides into the hills with Lazy Ike and Slim Jim. The cowboys explain that Don Juan Castro terrorizes local oil owners to seize their properties. Slim Jim reveals that investigator Dan Steele was found stabbed to death with a double-bladed knife, leaving behind the Tola gang's signature card. Nat recognizes that Steele fell victim to the same sinister brotherhood.

CHAPTER XVIII

Unexpected encounters force lone sleuths to reveal true missions

Arriving at a dark mountain cave used as a shelter, the trio finds six armed henchmen of Don Castro waiting inside. As bullets whiz past them, Pete and the cowboys flee toward an elevated mesa named Indian's Nose. Realizing his companions are loyal, Pete reveals his true identity as detective Nat Ridley. He explains his quest to rescue Cora Ardell and dismantle the Tola murder ring.

CHAPTER XIX

Superior horsemanship maintains vital distance against relentless pursuers

Pounding up mountain trails, Nat Ridley, Lazy Ike, and Slim Jim outpace Castro's riders thanks to fresher horses. Pulling up at a natural spring, Nat outlines how the Tolas kidnapped Cora Ardell a second time to extort her oil claims. The cowboys refuse Nat's offer to leave the dangerous fight, pledging to stand by him to the end. Together, they prepare to defend the heights of Indian's Nose.

CHAPTER XX

Precipice escapes sever immediate pursuit on mountain summits

Trapped on the cliff edge of Indian's Nose, Nat Ridley lays down accurate automatic fire to pin back Don Castro's horsemen. Lazy Ike and Slim Jim combine their horsehair lariats, anchoring them to a stunted tree and sliding down the vertical cliff. Nat lowers himself last, shooting two pursuers before yanking the ropes down from below. Stranded above without lassoes, the frustrated Tola gunmen lose the trail.

CHAPTER XXI

Concealed mechanisms transform deadly blades into lethal mystery clues

Outside the black cave, a Tola assassin ambushes the trio, but Nat Ridley shoots the double dagger from his hand and clips his ear. Examining the dropped weapon, Nat discovers a hidden spring shaped like an Aztec god that extends and retracts twin blades. Hearing cries echo from the dark cavern interior, Nat rushes inside with his flashlight and finds Cora Ardell bound in a hidden recess.

CHAPTER XXII

Bold impersonations grant direct access to secret enemy councils

Leaving Cora Ardell safely guarded by Ike and Jim, Nat Ridley disguises himself as an elderly, stooped, deaf-mute peon. He walks into a Tola leadership meeting in Paz, presenting a double-dagger card to El Capitan Martolo and Don Castro. Believing the mute is a messenger from mountain members, El Capitan orders him kept inside while discussing plans to murder Nat Ridley and seize the oil wells.

CHAPTER XXIII

International border traps bring swift end to outlaw societies

Nat Ridley, still acting as the deaf mute, tricks El Capitan and Don Castro into crossing a doorway into a border building. Standing on United States soil, Nat drops his disguise, shouts his true name, and blows a silver police whistle. Berry Todd, Baldy Stoler, and federal revenue officers spring from hidden boxes with drawn guns, arresting the trapped Tola leaders and shattering their criminal empire.

CHAPTER XXIV → CHAPTER XXV

Book

The Double Dagger

A step-by-step walk through Nat Ridley's thrilling Mexican trail, tracking murder, oil schemes, and secret Aztec societies.

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