Get ready for a Gold Medal murder mystery! Charlie Chan (Warner Oland) is back in action, and hot on the trail of international spies who are using the Berlin Olympic games as the perfect cover...for cold-blooded murder! When a U.S. military plane is hijacked and its top-secret guidance system is stolen, CHan heads to Germany to get it back before it falls into enemy hands! But when Chan's Number One Son -- an Olympic athlete -- is kidnapped by the...