A re-telling of Artemio Ricarte, a Filipino patriot who fought against the Spanisha nd later Americans. He was later supported by the Japanese during WWII. Nickname was "El Vibora" (the Viper).
The Nationalists, Communists and US are after a dossier of Japanese spies who remained in China after World War II.
Four kids find a WWII battle tank on one of the historic battle sites. They start playing and - find themselves back in the time of war in the middle of a battle.