A team of private detectives is hired to investigate the death of an explorer, whose shrunken head is found among the wreckage of a crashed airline. The case takes a surprising turn as they uncover a web of suspects, including the explorer's stepmother and a colleague with suspicious motives.
The Devil's Mask
A plane crash uncovers a cryptic clue in the form of a shrunken head, leading to a suspenseful quest to decipher a secret code.