In this thrilling serial, Odell is en route from London to Dublin when he makes a date with old friend Heather McMara. But he finds himself mixing business with pleasure when she asks for his help. Her brother Ricky was recently found drowned, and she suspects murder. Reluctantly, Odell agrees to investigate.

The key to the mystery seems to be a mysterious lady in a mink coat – but as the body count rises, can Odell find her and discover the truth?