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 it's top-secret guidance system is stolen, CHan heads to Germany to get it back before it falls into enemy hands! But when Chans Number One Son - an Olympic athlete - is kidnapped by the crooks, the worlds greatest detective faces his toughest crisis: He must choose between the life of his son... and the love of his country!