They all agree to protect Marcel from the news, even though Leo wants to tell his little brother, not only that he has HIV, but that he is gay.
The family continues pretending everything is fine to Marcel, but the young boy is devastated and starts behaving badly.
When he is excluded from a midnight ocean swim by his brothers, he follows them to the beach demanding to be included.
Leo takes Marcel off to Paris so that he can visit an old boyfriend and explain both himself and his situation to his young brother.
Marcel understands that Leo is very unhappy with his situation, and sees him decide to stop taking his medication.