Secrets of the Unknown #181

In "He Changed at Midnight," a mysterious stranger with a secret keeps time in his own way—his true form revealed only at midnight. When a greedy man uncovers his identity and tries to turn him in for a reward, the Mercurian uses his own cleverness to turn the tables, leading the man on a journey beyond Earth to teach him a lesson in greed.

In "It Waits In the Tank!", a man’s fascination with a mysterious sea creature takes a horrifying turn when the being begins to take over his body, swapping minds in a chilling transformation. Now trapped inside a glass tank, he watches from within as the alien form he once inhabited stares back at him with his own eyes.

In "Only One Returned!", two men venture into a mysterious cave shaft, but only one of them emerges—though not for the reason the survivor expects. As tensions rise in the dark, a desperate betrayal unfolds, setting off a chain of events that traps one man in isolation and leaves the other with a haunting secret.

In "The Swami's Secret," a man renowned for his psychic gifts finds his reputation crumbling when he claims to have uncovered an alien infiltrator among the elite. Believing the stakes are too high to stay silent, he confesses to years of fraud, convinced his revelation is a necessary act of warning. But when the police investigate, they uncover a surprising truth: the "alien" was just an actor in a role, leaving the swami's motives — and his powers — in question.