Benji's situation is getting worse but he does everything to hide it from his friends. Emma meets her father for the first time, but refuses to consider him as such. While Gabriel has finally confessed to Nathan who he really is, he has difficulty accepting his share of responsibility for the accident. Zoé did not give up Oxford and asks her entourage to describe it in a few words as part of an essay. It's not easy to know who you are when you're only 15 years old...

Following his operation, Nathan gradually regains his sight, but his parents are facing terrible news. Zoé, in remission, is already delighted to join Oxford, but she must now convince Caesar, for whom chemo did not work, to continue to fight and accept an experimental treatment. When he learns that his kidney is not compatible, Emma's father can't assume and abandons his family once again... Finally, when Benji announces that he will leave the hospital to go home, his friends make every effort to fulfill his very last wish...