Customs agents track a ring of arms smugglers into Hong Kong.
Tom Keene and Wally are agents of the U.S. Customs Department assigned to breaking up a gang of gun-smugglers in Macao, led by American gangster Gil Burris. Wally disappears and Keene and Trina Vidor are left on a remote island to face the unknown dangers.—Les Adams <longhorn1939@suddenlink.net>