Line Walker 2: Invisible Spy

A former terrorist recruit who tries to start a new life with his daughter but is drawn back into Mr Tung's network. His past haunts him as he protects those around him, ultimately becoming a linchpin in exposing the organization. His arc centers on loyalty, redemption, and the cost of erasing a violent history.

A high-ranking police officer whose loyalties are tested as he collaborates with Cheng. His true identity is revealed as Ah Dee, blurring the line between ally and alias. He fights alongside Cheng, and both men bear the scars of a mission that costs them dearly.

A determined journalist and hacker who uncovers the terrorists' schemes and their global reach. She has a personal stake, including a kidnapped sister, which fuels her mission to expose the organization. Her work locks the database and puts her in the crosshairs of the terrorists.

The ruthless ruler of the terrorist network, manipulating events from the shadows and driving a plot that spans continents. He prioritizes control and leverage over human cost, including the lives of children used as spies. His downfall comes as the police close in on his headquarters.

Mr Tung's right-hand man, a ruthless strategist who lures key figures into dangerous traps. He orchestrates operations on the ground and pursues Cheng and Ching with relentless intensity. His demise comes in a climactic confrontation.

Cheng's wife, whose death five years earlier at Mr Tung's hands marks the price of Cheng's past life. Her memory fuels Cheng's determination to protect his daughter and resist being used as a tool by the organization.

Cheng's daughter, a central emotional thread whose safety becomes a primary objective for her father and allies. Her existence motivates the protagonists to confront the threat head-on and seek a safer future.