Lee suffers from Time Perception Disorder (TPN), a psychological disorder that causes confusion about the passing of time. Lee is self-contained and bored until he meets Wang Qian, who also suffers from TPN. They fall in love but everything is ended suddenly in a traffic accident. Lee acquires a video game disc, legend says that the game is a door of time travel and a player has to beat the game to open that door. Determined to save his girl, Lee begins his amazing adventure...