Born Wild (Ye shou zhi tong) (2001)

hung hasn’t contacted his twin brother Tung in eight years. He left home when he hit eighteen-years out, stepping out of his brother’s shadow. But when he hears on his 26th birthday that his brother has been killed in an underground boxing match, Chung realises that the influence of his brother in his life still looms large. He retraces his Tung’s life, locating his manager and girlfriend who explain that his brother refused to take a fall for a gambling syndicate and paid the price. Chung heads to the gym and prepares to take on the boxer who killed his brother in the ring…