Sarina Muller the young wife of a German Flight Engineer seeks the help of Cooper West in a desperate attempt to find her son. Wrongly convicted of the murder of her estranged father on a remote Australian beach they must proof her innocence. Her short affair with a Nazi U-Boat Commander in the latter part of World War- 2 complicates matters. It places West in a precarious situation with her and the Authorities and the trust he bestowed on her.