As he arrives home from Japan, Johnny unknowingly smuggles in high-grade opium via an unassuming audio cassette. Japanese gangsters go after him and his friends to take back their goods. Johnny’s group takes refuge in a church in Baguio, but there they discover that the priests and nuns there are fakes and actually in league with the Japanese. Adding to the mayhem is the Chinese mafia, which have agenda of their own that pits them against the Japanese. Appropriately, hijinks ensue in a battle cum musical extravaganza.