In Singapore, a private detective and the British authorities are on the trail of a crime syndicate that kidnaps a nuclear physicist with the aim of selling him to the highest bidder.

• Plaza Productions
• Allied Artists Pictures
• Dan Duryea
• Gene Lockhart
• Patric Knowles
• Reginald Denny
• Nigel Bruce
• Marian Carr
• Arthur Shields
• Douglass Dumbrille