Euphoria

Seventeen-year-old Rue returns home from rehab with no plans to stay clean. She meets Jules, who’s new in town, at a party at McKay’s house.

On the first day of school, Rue has a new friend, Jules, but struggles to put the past behind her; Nate’s obsessions turn violent.

Kat starts camming; Jules falls for a boy online; Rue is confronted at NA; Cassie visits McKay at college.

Rue tries to get clean for Jules and chaperones Gia at the carnival; Jules encounters Cal with his family; Cassie and Maddy do Molly.

On Halloween, Rue worries about her reliance on Jules when she starts acting strange; McKay questions his future; Nate comes up with a plan.

In the season finale, it's the winter formal at East Highland.