After his girlfriend Lin Zhao slaps him in public, Jiang Xu walks away, no longer trying to save a woman who lives by manipulating people's emotions. He thinks it's over, unaware that the memory-based ability dormant inside him is being secretly awakened by her and the military. The mute street craftsman Chen Ya, hacker Su Lin, and doctor Zhou Zhiwei appear one after another, exposing a memory-erasure program controlled by the powers at the top. He no longer wants to save anyone, yet he becomes the living key everyone is fighting over, and the truth is bloodier than anything he has forgotten.
