It's rival mobsters and rival martial arts disciplines in this action-packed tale set in 1930s Shanghai, as a Japanese karate master is sent to infiltrate the Chinese mob and goes up against deadly kung fu warriors, including an undercover cop (who may or may not be Shaolin). Sing Chen, Yasuaki Kurata, Irene Ryder star. AKA: "Kung Fu, The Invincible Fist," "Tiger vs. Dragon." 88 min. Standard; Soundtrack: English (dubbed). Dubbed in English.