The movie tells the story of Bai Sheng (by Deng Chao), a veteran employee of an Internet company who is forced into a workplace fiasco and decides to join forces with others to break the ice in order to defend his rights, only to be caught up in an even bigger whirlpool of mystery.
Kai, a reclusive young man who believes he's being filmed by aliens, forms an unexpected bond with his new roommate, Xiaole. When Xiaole mysteriously vanishes, Kai must piece together the puzzle of his lover, uncovering a portrait both familiar and strange.
The rape and murder suspect dies in the interrogation room due to being beaten up by the crowd earlier. The three teams responsible for this case are also imprisoned together, while the other suspect is still at large. After being released from prison, the three teams, led by their captain Cheng, track down their whereabouts. They pursue the culprit for twelve years.