A man returning from Baghdad agrees to deliver a message in London. He's abducted by a gang who killed the original recipient. He escapes but he and his girlfriend are targets as they lure the gang into an MI5 operation in Seaford.

An American returning home from Baghdad and seeing his girl in Britain on the way agrees to take a message to the secret service. Once in London he is picked up by the gang involved, who have by then killed the original Middle East agent. He escapes, but he and his girl friend are a marked couple as they retreat to Seaford on the south coast to act as bait in an MI5 plan to catch the thugs.—Jeremy Perkins {J-26}