Sergeant Paul Jarvis, newly married has been re-assigned to CIC’s new base of operations in California where they will be working with the Office of Naval Intelligence. Upon arrival he is immediately sent on an investigation of a theft ring operating in San Diego and at the naval station there. He soon discovers that one or more of these criminals has been taking pictures of ship movements which are being passed on to a Japanese agent. He also uncovers a connection to the West Coast mob boss, Mickie Cohen.
As his investigation moves forward, he finds himself once again venturing south of the border into Mexico in his pursuit of the Japanese agents and one of Cohen’s men. It isn’t long before he is once again neck deep in a life and death fight to capture them, all the while trying to stay ahead of the mob who are out to stop him.