A woman finds herself unwillingly mixed up in a series of murders. At the behest of the district attorney, private detective Duncan MacLain (Kent Taylor) investigates the probability of corruption in high government circles.
| Actor | Role |
|---|---|
 Kent TaylorDuncan MacLain, Private Detective | Duncan MacLain, Private Detective |
 Dorothea KentAmy Arden | Amy Arden |
 Greta GranstedtGladys Hewitt | Gladys Hewitt |
 Don BrodieSpud Savage, Private Detective | Spud Savage, Private Detective |
| PPaul HurstAsst. Dist. Atty. Springer | Asst. Dist. Atty. Springer |
 J. Farrell MacDonaldWilliam Barton (Detective Agency Head) | William Barton (Detective Agency Head) |