In Britain, a man with a shady past uses his antiquities shop as a front for smuggled diamonds but his young shop-assistant starts blackmailing him, leading to murder and to a police investigation.

• Pennant Pictures
• Oskar Homolka
• Derek Farr
• Muriel Pavlow
• Manning Whiley
• Diana Dors
• Kathleen Harrison
• Garry Marsh
• Kenneth Griffith