After a jeweler hires a private detective to help him find $50,000 missing from his company, he is murdered while attending a society party; and the private eye, aided by his comely secretary, vies with a bumbling police detective to find the murderer among several suspects, including the dead man's daughter, her current husband, her former husband, and an ex-convict.
| Actor | Role |
|---|---|
 Ralph GravesClay Holt | Clay Holt |
 Lola LanePeggy Cummings | Peggy Cummings |
 James BurkeDetective Lt. John Aloysius McGinnis | Detective Lt. John Aloysius McGinnis |
 Lois WilsonElaine Purdy | Elaine Purdy |
 Edward EarleWillard Purdy | Willard Purdy |
| HHyram A. HooverJerry Papolas | Jerry Papolas |
 Charles RayCourtney Mallory | Courtney Mallory |
 John ElliottMr. Davidson | Mr. Davidson |
| JJohn Webb DillionInspector Tyler | Inspector Tyler |
| VVance CarrollPoliceman | Policeman |