In the closing months of WWII, legend has it that the Japanese buried something of immense value deep in the Philippine jungle. It's a mystery involving a secret cadre of princes, Japan's feared mafia-like Yakuza and booby-trapped tunnels marked by ancient Japanese symbols. One Philippine farmer witnessed the operation and has entrusted his secrets to a group of dedicated investigators and engineers who are using the latest technology to search for the treasure and the truth.