

When a terrorist who specializes in explosives takes hold of an underground tunnel, he threatens to kill hostages if his demands are not met.
Practical Effects
Real explosions, real tunnel, real Hong Kong infrastructure destruction.
Acting
Andy Lau's exhausted everyman carries the whole damn movie.
Direction
Herman Yau shoots claustrophobia like he's suffocating you personally.

Director
Herman Yau
Trivia, insights & behind the scenes
Andy Lau performed many of his own stunts despite recovering from a 2017 horse-riding accident that crushed his pelvis. The man is unstoppable.
The film deliberately echoes real Hong Kong infrastructure anxieties — the Cross-Harbour Tunnel is basically a character, and its vulnerability hit different for local audiences post-2019.