Unbeatable (2013)

Fai, a former boxing champion, flees to Macau to evade loan sharks and unexpectedly meets Qi, an aspiring boxer eager to make his mark in the ring. Taking Qi under his wing, Fai finds himself reigniting his own fighting spirit, not just for the sport but also for the deeper struggles in his life. As their bond strengthens, Fai learns to fight for what truly matters once again.