Nono, a Dutch kid lacking two days being thirteen, runs away from problems at home and, disguised as a girl, takes up with the world's cleverest thief, who unbeknownst to Nono, may hold the bizarre key to his true identity.

Felix has been raised by his grandmother and has never met his father. His father Johan, doesn't even know he exists. Felix decides to become a regular in his father's bar in Amsterdam to secretly learn more about the man he has never known.