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.

On Halloween, Rue worries about her reliance on Jules, while Jules starts exhibiting concerning behavior. McKay questions his future in football. After a weird night with McKay, Cassie spends time with Daniel. Business is booming for Kat as she continues to push Ethan away. Nate comes up with a plan to get his life back on track.

Rue gets depressed and watches 22 straight episodes of a British reality show.​ Jules goes to visit an old friend. Cassie looks for advice in the aftermath of Halloween night.