Ninja in the Dragon's Den (1982)
Original title: 龍之忍者
Ninja in the Dragon's Den is a 1982 Chinese-language action movie directed by Corey Yuen, with a running time of 1h 35m. It stars Conan Lee, Hiroyuki Sanada and Hwang Jang-Lee.
A Japanese master of ninjutsu and a Chinese expert in kung fu, put their differences aside after their master is killed by a mortal enemy.