Everyone is worried about Flora's disappearance. Den immediately imagines the worst, whilst Edwidge reacts very emotionally. Jolène, who didn't return to school at the appointed time, has to explain herself.

Françoise gives a sex education lesson that interests the girls. Alerted by Jolène, Christophe tries to persuade Den to talk to him about his relationship with pornography. Tina visits her parents to ask for their help in finding her biological mother.

Caught up in the whirlwind of her emotions, Flora is neglecting her schoolwork and has every chance of failing her year. Tina tries to make her see reason. Den wonders about her new boyfriend who doesn't seem very interested in sex and talks to Christophe about it.

Flora prepares to return to live with her parents. Den gets to know Bruno, who has a somewhat unusual lifestyle. Christophe, worried that she's heading into a toxic relationship, makes an even greater effort to keep in touch with her.