Nick Charles (Powell) is a retired detective who has married the wealthy Nora (Loy) and now intends to devote himself to looking after her money and doing some serious drinking. (You can tell this film was made just after the repeal of Prohibition.) They travel to New York for the
holidays, and there meet Dorothy (O'Sullivan), who asks Nick to help her find her missing father (Ellis). He's an inventor who months before went into seclusion to work on a project but hasn't been heard from since. Nick, whose reputation precedes him, isn't anxious to end his happy retirement,
but Nora, eager for thrills, prods him into it. Together with their wire-haired terrier Asta, t...