A sequence of love messages scribbled in library art books persuades gawky grocery store clerk Hyun-chae that a mystery man referred to only as 'Vincent' is interested in her. Meanwhile, an obsessed high-school pal-shy, eccentric subway driver Dong-ha-moves to Seoul to ACTUALLY pursue a relationship with her, which she refuses in favor of the ersatz paper chase given by her mystery man, even going so far as to pawn Dong-ha off on her friend at one point.