The Infernal Walker

An undercover officer who infiltrates Fuk Wo for seven years. To protect his cover, he becomes more ruthless than other triad members. The constant deception wears on him, pushing him toward moral ambiguity. His ultimate goal is to uncover the mastermind behind the drug operation, even at personal cost.

Leader of Fuk Wo; a cunning, ruthless triad boss who uses manipulation to control events and people. He sets in motion schemes that pull Ting and others into a larger game of power and deceit.

Recently promoted to chief inspector of the Anti-Triad Unit, he is ambitious and longs to become a real policeman. His rise brings him into direct contact with Ting and Sung’s schemes.

A drug lord who orchestrates the operation with a calculated mind. He plants a mole in the police and uses manipulation to pursue his own agenda.

Tuen’s fiancée and a member of the interior department who becomes a tragic casualty when Sung kills her and frames Ting.

Leader of Fuk Wo; a mastermind who uses deception and intimidation to control the gang and outmaneuver rivals.

Ting’s handler who provides him with the invisible marker and coordinates covert operations.

Ting’s boss who oversees operations and ultimately faces a life sentence among the other high-ranking criminals.

Hei’s mole inside Fuk Wo who discovers Ting’s markers and triggers a chain of events leading to the exposure of the mastermind.

A triad ally who assists Ting in locating the hitman, later meeting a fatal end in the pursuit of the truth.

An undercover colleague who is captured and ultimately killed under the pressures of the operation.