Penalty #47 (1955)

In "3 Minutes to Havoc," private investigator Jim Hunt races against the clock to stop a series of mysterious plane sabotage attempts orchestrated by an unseen enemy targeting airline owner Roger Manning. With tension mounting and time running short, Hunt must unravel the truth before the next attack—before anyone else is hurt.

In "The Stranger Rides Free," Bert and Sue follow a trail of ancient secrets and silent guardians after an antiquities importer is found dead, his Far Eastern relics now drawing deadly attention. With each clue tied to forgotten rites and vengeful shadows, the pair must untangle a mystery that’s as much about the past as it is about survival.

In "From Little Bits of Evidence," tough detective "Poke" Bancroft takes on the corrupt racketeer Johnny Turo, whose stranglehold over the market's vegetable dealers has turned the neighborhood into a web of fear and silence. With only small clues to work with, Bancroft must piece together the truth before Turo's grip tightens further.

In "The Whispering Nemesis," private investigator Mr. Hart is summoned to a secluded yacht where a guest has died under mysterious circumstances, leaving behind a trail of fear and suspicion. With the business tycoon O.J. Steven trembling at the thought of becoming the next target, Mr. Hart must unravel the chilling secrets aboard the floating fortress before the killer strikes again.