Deborah, the reckless aviator friend of Mister No, has disappeared with her Piper in the mysterious Devils Abyss, a triangular geographic area, situated in the Caribbean Sea. Her disappearance could be connected to strange cases of spontaneous combustion which Mister No witnessed in 1945, in Atlantic City. Jerry investigates, helped by the New York detective Phil Mulligan, and manages to enter a futuristic oil rig, completely invisible to radar and human eyes!
In this number:
The cover story finishes on page 62. Il mostro degli abissi (Monsters of the abyss) (by Missaglia and Diso) begins on page 63 and continues in the next two comics.