Will Your Heart Beat Faster? (1980)

After repeatedly failing to smuggle drugs into the Philippines, yakuza soldier Onota (Bobby Garrovillo) slips a laced cassette tape into the pocket of a stranger on the plane: pop singer Johnny (Christopher de Leon). This singular deus ex machina places the Yakuza, the Filipino-Chinese Triad, and a fake nunnery on Johnny's tail. Determined to discover why everyone is after him and his friends -. bandmates Nonong (Jay Ilagan), Nancy (Sandy Andolong), and newfound love interest Melanie (Charo Santos) - the quartet suits up and goes undercover. When the lunatics unite, a cartoonish rock opera ensues!