Dr. Benson, a deranged scientist, is obsessed with his radical research on suspended animation. His controversial experiments catch the attention of the authorities, leading him to flee while pursued by the law. Arriving at a remote island after a shipwreck, Benson finds himself among an isolated group of passengers and natives. Seizing the opportunity, he establishes himself as a medical savior to the island's inhabitants. However, his true intentions are far more sinister, as he begins using the islanders as test subjects for his inhumane experiments.

With tensions rising and the islanders growing increasingly suspicious of Dr. Benson's cruel methods, a sense of unease pervades the community. Bricks Morrison, a stalwart boatman, and the resilient Patricia Gilbert refuse to be idle bystanders and take it upon themselves to uncover the truth behind Benson's activities. As they delve deeper into his dark secrets, their discoveries put them at immediate risk, leading to a climactic struggle for survival. The battle between morality and madness reaches a fever pitch as the once-peaceful island turns into a harrowing battleground of human resilience against evil scientific ambition.