Two years after his lover Din vanishes in a shooting, Ken is saved from an assault by the mysterious Peter Lu.

After returning to Thailand for Din’s funeral, Ken is attacked and warned to flee by a masked man.

After a suspicious car accident, Ken is rescued by Lu, who coincidentally happens to be passing by the scene.

As a past betrayal involving illegal logging is revealed, Ken wakes from a nightmare after a violent encounter.

Suspicion grows around Lu’s motives while Ken faces a dangerous ambush by the gang that ruined his life.

While Ken insists Din is still alive, Lu offers protection, but a new shadow begins stalking Ken’s every move.

Convinced the man in black is Din, Ken rescues a drunken Lu from an attack and lets him stay the night.

While the truth of Din's survival emerges, a gang kidnaps Din’s mother to lure him into a deadly trap.

Ken confronts Lu with the truth of his identity, challenging him to make him forget his past love forever.

As the police close in on the villainous Impha, Ken and his allies race to the border to save a hostage.