The thin man

de W. S. Van Dyke

When an eccentric inventor disappears and his mistress is killed, Nick and Nora Charles get involved in the investigation; suave Nick and his bright wife Nora become involved in solving a murder when Nora's cousin is accused of killing her husband; detective Nick Charles solves the murders of three people while on a supposed vacation with his family; Nick and Nora work to solve a series of murders of racetrack and gambling figures.