Crisis Negotiators

A veteran police negotiator who handles the initial 1993 hostage crisis. He secures the release of hostages but is haunted by guilt when the couple detonates LPG. He resigns to become a social worker, hoping to help the needy before they reach dire situations.

Cheuk becomes the chief police negotiator three years later and leads major operations including a bank siege and corruption probe. He is relentless, resourceful, and willing to bend rules to uncover the truth. His loyalty is tested as he fights against embezzlement while maintaining ethical lines.

A senior officer who masterminds a conspiracy to embezzle reparational funds. He uses influence to shield accomplices and manipulate investigations. He ultimately confronts exposure and chooses suicide, attempting to escape accountability.

Li is a key figure in the offshore fraud scheme; he forges documents and manipulates internal investigations. He tries to avoid detection but dies after passing a crucial gym locker key to Cheuk. His deception reveals the depth of the corruption.

Ko is the SWAT leader involved in the fraud scheme who orders the breach during the siege. He embodies the ruthless side of the force, ready to sacrifice peers for a cover-up. His actions catalyze the climactic confrontation.

Maggie is Li's assistant who helps Cheuk hack into Li's computer and uncover the truth. She becomes a reluctant ally, choosing integrity over complicity. Her role underscores the cost of speaking out within a corrupt system.

Lo is an informant who collaborates with Cheuk and Maggie to expose the crimes. He navigates danger and secrecy to bring critical information to light. His courage under pressure helps steer the investigation toward Law's downfall.

A retired inspector who helps Cheuk and Tse by posing as Ka's informant. He embodies experience and moral clarity in dangerous times. His presence provides a stabilizing influence as the investigation unfolds.