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.

Ziegfeld is a theatrical impresario, whose show business empire begins when he stage-manages a tour for a strongman. With almost no money in the bank, he charms European stage star Anna Held to headline his "Follies". From 1907, Ziegfeld stages annual editions of Broadway's most fabulous revue. Eventually, Ziegfeld abandons Anna in favor of other beauties. Ziegfeld comes to realize that his new romance with Follies-girl Audrey Dane, is all wrong,...