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. Nate gets in McKay's head when McKay takes an interest in Cassie. Nate and Maddy, who have broken up once again, attempt to make each other jealous. Meanwhile, Kat is pressured to lose something big.

On the first day of school, Rue's excited about her new friend, Jules, but struggles to put the past behind her and gets into trouble at Fezco's. Nate becomes obsessed with Maddy's hookup, Tyler, while trying to get back together with Maddy. Kat finds out that a video of her has surfaced online. McKay takes the stress of college out on Cassie.