My Little Big Brother

Fien is no longer in the mood for her birthday party when it appears that her mentally handicapped brother has to come along. In the pool, Mees always arouses the irritation of the lifeguard. If Fien also has to keep an eye on him because her mother has to go away for a while, she is fed up. From now on she will ignore him. But what to do when Martin is laughed at by all the children in the pool?