Chains of Heart

Ken seeks revenge for Din's death but is torn between his past and a budding relationship with Lu, complicating his decision.

The mysterious man in black saves Ken and DD, warning Ken not to return to Thailand. Ken decides to attend Din's funeral, causing a stir.

Mio investigates swordsmen's hideout, questions them about a sword, and delves into ancient sword lore after seeing black smoke.

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.