A girl named Ai gets a major record deal to sing a song written by a friend of hers who is deceased. However an obsessed stalker fan slowly starts becoming more like her and tearing her world apart.

A neurotic lawyer is split between the desire to stay faithful to his fiancée and the one to cheat on her. Things take a turn for the literal when one night he splits into two different versions of himself, a soon-to-be-married one and a confirmed bachelor one.