Euphoria

Rue returns home from rehab and meets Jules; Nate and Maddy attempt to make each other jealous; Kat is pressured to lose something.

On the first day of school, Rue struggles to put the past behind her; Nate's obsessions turn violent; Kat finds a video of her online.

Kat starts camming; Jules falls for a boy online; Rue is confronted about her lies at NA; Cassie and McKay spend the weekend at his college.

Rue, trying to get clean for Jules, chaperones Gia at the carnival; Kat misreads a situation; Jules encounters Cal; Nate reveals who he really is.

In the aftermath of the carnival, Maddy and Nate are forced to deal with a police investigation; Jules begins to feel pressured by her role in Rue's sobriety; Cal worries about his actions.

On Halloween, Jules starts exhibiting concerning behavior; McKay questions his future in football; Cassie spends some time with Daniel; Kat continues to push Ethan away; Nate comes up with a plan.

Rue falls into a depressive episode and binge-watches 22 episodes of a British reality show; Jules visits an old friend; Cassie looks for advice to help her deal with the fallout of Halloween night.

It's the winter formal at East Highland.

After changing her mind to run away with Jules at the train station and relapsing, Rue celebrates Christmas.

Over the Christmas holiday, Jules reflects on the year.