Flash Point (2007)

In pre-handover Hong Kong, Detective Sergeant Ma Jun, a man renowned for his unorthodox methods, finds himself entangled in a perilous game. Partnered with the enigmatic undercover operative Wilson, Jun embarks on a relentless pursuit of three ruthless Vietnamese brothers who control a vast smuggling empire. As Jun edges closer to dismantling their criminal enterprise, his unwavering commitment to justice pushes him to the very edge, blurring the lines of acceptable police procedure. The stage is set for a confrontation where the forces of law and underworld savagery collide.