Ace Chinese detective Charlie Chan and his son Lee who is an Olympic swimmer at the 1936 Summer Olympics face murder, intrigue and mystery!

When an experimental plane is hijacked and its pilot murdered, the new guidance system that will allow it to fly unmanned is stolen. Charlie traces the strategically important invention to the current summer Olympic games in Berlin, where myriad spies, enemy agents, and hardcore criminals are ruthlessly pursuing it in order to sell it to another government. Charlie's son Lee, a member of the U.S. Olympic Swim Team, is on hand to help his father recover the device and solve the mystery!