Tom is 15. He's a child-like teenager who has not grown up since a car accident with his older brother Leo. As he prepares to return to a new high school, he intends to find his place, make friends and seduce the girl he is in love with. Tom needs the support of his big brother, a true mentor who works to make him a real "man". However, behind Leo's fraternal benevolence, hides a destructive temper ... Will Tom be able to grow without the help of his brother?