When a landlady finds one of her tenants murdered, is sent to investigate. Hornleigh's assistant, Sergeant Bingham, soon finds an attaché case that had been stolen from the murdered man. When Hornleigh examines the case, inside it he finds a bag that was used to carry important government documents. The documents have been taken, and to make things even more confusing, a duplicate of the stolen bag soon turns up.

Starring:

Gordon Harker , Alastair Sim , Miki Hood , Wally Patch , Steven Geray , Edward Underdown , Hugh Williams , Gibb McLaughlin , Ronald Adam , Eliot Makeham

Genre:

Comedy, Mystery