Blood Ties (2008) (aka Act of Grace)

British thriller starring Leo Gregory as Dezzie, a young man who becomes embroiled in a Chinese Triad. As a teenager, Dezzie protected his fellow school student, Yasin (Chike Chan), from bullies and they have been friends ever since, despite Yasin's departure back to his home in Hong Kong some ten years ago. When the two are reunited, Dezzie is welcomed into Yasin's family but it soon becomes clear they are involved in organised crime.

Dezzie's engagement in this violent underworld earns him respect but before long cracks begin to appear in his friendship with Yasin.