In Hua'ao City, a brilliant detective with a flawless track record faces his toughest case yet when a string of seemingly perfect murders shakes the city. With no evidence, no witnesses, and a killer who vanishes without a trace, he must race against time to uncover the truth. As hidden dangers lurk in every corner, the line between hunter and hunted begins to blur.

Hong Kong, 1996. Wang Cui Ying was held hostage by robbers at her wedding and witnessed her husband dying under the guns of bandits. Unable to get out of the haze, she now works in an archery hall. On the night of the typhoon, she accidentally stayed in the building, witnessed the same gang of bandits killing people in it. While escaping from them, she accidentally stumbles upon a blind man, Nan Ge. From that moment, they both try to escape from the bandits, in the building that has turned into a death trap.

Before his wife was murdered, Inspector Mann Cheung (Simon Yam) was a model to young detectives. However, with his wife's death, he was indulged in deep sorrow and became downhearted and ...