Whenever a criminal is killed in London, a black Jaguar is nearby, with a white cat always sitting in the passenger seat. Inspector Higgins and Inspector Lane find a joker card on all the victims. Their investigation leads them to a diamond smuggling ring.

Thriller, Crime, TV Movie

Joachim Kemmer, Julia Bremermann, Leslie Phillips, Eddi Arent, Gisela Uhlen, Pinkas Braun