Highlander: The Series - Season 2 Episode 8
Revenge of the Sword

Jimmy Sang, a former student of Charlies, is an up-and-coming martial arts movie star. His latest movie is filming some scenes in the dojo. When a stuntman is ""accidentally"" killed, MacLeod is the first to realize that Jimmys life is in danger. It turns out that the movie is based on Jimmys youthful experiences as an enforcer for a powerful gang, and now his former boss wants to see him dead.