Underworld #5 (1948)

When a fiery blaze destroys Richard Tyler’s fashion factory shortly after a heated rivalry with fellow designers Pierre Marquette and Roland Carver, investigator Ed Ferguson is called in to sort out the truth behind the blaze. With the insurance inspector skeptical of the lightning claim and Tyler’s rivals having strong motives, Ferguson begins probing the tensions at the recent fashion show and the suspicious behavior of Tyler’s watchman.

In a quiet suburban home, Rhoda Maitland grows uneasy as her mysterious lodger, Johnny Smith, seems to be hiding more than just his past. When a police officer is attacked and a murder is discovered in the same building, the investigation begins to unravel the truth behind a seemingly random crime—and the strange behavior of a man who may not be who he claims to be.

In a quirky 1948 crime tale from *Underworld #5*, a postal inspector uses a clever scent-based trap to catch a clever mail thief operating across multiple post offices in a midwestern city. When a series of stolen registered letters leave behind only empty envelopes, the inspector devises a plan to identify the thief by mixing different perfumes into the glue on new envelopes—each scent tied to a specific post office. The thief’s next move is foiled when the inspector traces a whiff of lilac to the Bridge Street Post Office, leading to a dramatic confrontation.

In the shadowy world of illusion and deception, a mysterious millionaire's challenge to magicians ignites a deadly game of misdirection and betrayal. When a priceless diamond vanishes during a high-stakes performance, Detective Terry McBride follows a trail of false identities and hidden motives, uncovering a web spun by a master of disguise whose final trick may be the most dangerous of all.

In the quiet apartment of 2B at 712 March Street, Eddie Lake lives a seemingly ordinary life with his wife Rhoda—until police storm the building, revealing him as the hidden mastermind behind a notorious mob. Flashbacks show how, after a stint in prison, Eddie was molded into a criminal by his mentor Pork Regan, who taught him to rob, fight, and kill—skills he now uses to run a criminal network from his own home. As the mob gathers in his apartment, the police close in, and the truth about Eddie’s double life comes crashing down.

Jo, a nervous woman in a medical building, pleads with John to take her to lunch, but their moment is interrupted by a sudden scream from Doc Block. John tells the police he was just about to take her up when the scream echoed through the halls, leaving the source—and the truth—still shrouded in mystery.

In the 1948 adventure "Winged Raiders," Sky Sheriff Breeze Lawson races to stop a series of hijackings targeting Atlas Transport trucks, uncovering a deadly pattern when a driver is found murdered—not in an accident, but shot before his truck plunged off a mountain road. With the help of Deputy Sharpe, who poses as a decoy driver, Lawson sets a trap using a fake shipment, only to face a daring aerial assault by a gang using a helicopter to steal cargo and eliminate witnesses. As the gang attempts to flee, the Sky Sheriff intercepts them mid-air, turning their escape into a crash that brings their criminal operation to an end.