Marge asks her nephew Christian for help to protect herself against her sinister husband Walter. Christian will soon discover dark secrets and that Walter is not who he's intended to be.

Jérôme and Cédric play basketball in the same team at school and are best friends. Jérôme also gives Cédric some private math lessons. During one of those sessions, Cédric's action will be interpreted by both young men in a different way.