Watch Black Belt

Real Fight, Real Karate, Real Japan. The main "actors" are real karate masters of 1st, 5th and 6th dan. Synopsis: Since the time of the Bruce Lee Mania of the 70's, kung-fu movies have dominated the action movie genre throughout the world. the Thai kickboxing movie, Ong-Bak: Muay Thai Warrior, has become a huge international hit. Given that Japan is well known for martial arts such as karate, judo, aikido and three were no such martial arts movies until now.
The year is 1932. Three men are zealously engaged in karate training at the dojo of Eiken Shibahara. Their names are Taikan, Choei and Giryu. Eiken suddenly dies, but the "Kuro-Obi" black belt that will designate his successor has not yet been passed on.
"Karate is not about fighting."
Who will be the one to heed Eiken's words of wisdom and receive the coveted "Kuro-Obi" to carry on as his successor?

Black Belt is a 2015 action movie with a runtime of 1 hour and 35 minutes. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 6.9.