An African plantation owner hires McGill to investigate a Jesuit priest who has convinced the locals to strike for their overtime pay. McGill soon uncovers the priest's past, and both men have a hard choice to make.

McGill takes a job to track down an oceanographer, Dalby, and extend an offer for him to return to his firm with the papers he stole. However, McGill soon discovers that Dalby is working with the CIA to track down a submarine base in the Adriatic, and the Albanians will stop him at any cost.