A doctor is mistaken for a criminal—then discovers his sister’s been sold to Hong Kong.

Chen joins Jiang’s mission to save his sister—but a double agent puts them all in danger.

Jiang suspects Chen's loyalty as they track smugglers hiding in cafes, docks, and churches.

The team confronts Lucas at a café, but a British raid forces them into a dangerous escape.

Back home, Chen opens a clinic—then rejoins Jiang to uncover a girl-trafficking ring.

A sting operation unearths opium—and a Customs officer’s death reveals a traitor inside.

As politics grow tense, Chen and Jiang pursue smugglers—and risk tearing themselves apart.

Chen finds his sister’s remains, vowing revenge as grief binds him and Jiang even closer.

Corruption runs deep as a cover-up unravels and Jiang calls out traitors from the inside.

As Jiang’s health fails, he and Chen close in on a Customs mole tied to the opium ring.

Jiang poses as Chen’s cousin to uncover opium smuggling—hidden in bars of soap.

Chen is arrested and tortured; Jiang storms in to save him, risking everything.

Jiang reveals his dark past as he and Chen race to trace the opium in "soap."

Chen earns a suspect’s trust, while Chu Ran exposes planted rumors in the press.

Jiang rescues Chen from an ambush—but Wang’s loyalty may not be what it seems.

Chen and Wang are kidnapped; Jiang storms the hideout and learns Zhao’s true identity.

Jiang exposes Zhao in public—but things unravel when Wang dies in a crossfire.

With Zhao arrested, the team digs deeper, suspecting a larger plot behind it all.

A public attack wounds Tangchun, and Jiang uncovers a mole in the phone records.

Jiang’s team raids a depot—and he discovers the leader is his long-lost mother.

Funerals stir grief and resolve; Jiang's mother stays silent in custody.

As protests erupt, Tangchun shoots Zhan to expose corruption and spark truth.

Jiang is sentenced to death—until a courtroom trap reveals the real killer.

Jiang faces his mother in a gunfight—then a devastating final embrace.

Jiang confronts his mother one last time, torn between love, justice, and betrayal.