After break-up, J(M,30) has isolated himself from his friends and the world outside. One morning, J wakes to find a stranger K(M,28), calmly cooking breakfast in his kitchen. K looks uncannily like J's ex-girlfriend, except is a man and has a dense moustache. With K's assistance, J decides to take revenge from his former employer, setting off a chain of events that pulls him out of isolation and forces him to confront what he's been running from.