After evading U.S. prosecution for fencing high-ticket stolen property, a retired architect forced into a life of crime by impending financial ruin travels to beautiful extradition-free Cape Verde, where he strikes up a late-life romance with a brilliant Sri Lankan money launderer. When their lives are threatened by several of her past scam victims, they decide to escape danger by embarking on a lengthy Caribbean sea cruise, only to have their luxurious sailboat hijacked by a cocaine smuggling cartel whose fleet of drug-running "narco-subs" has been decimated by rival cartels. Their courage, cunning and resilience are tested repeatedly, both in a suspenseful battle of wits with their kidnappers and by the dangers of the open ocean. Blending sharp wit with relentless tension and intense psychological intrigue, Sea Cruise sails to a startling climax.