Kourtney flies to Los Angeles to have it out with sister Kim, who is planning to "borrow"—without permission—Kourtney's house for North's birthday bash. Meanwhile, too much partying in the Hamptons lands Scott in the hospital, and to the realization that things need to change.

When Scott is consumed by his negative affiliations with the Hamptons, he chooses to leave early; Khloe and Kourtney hire a new Dash Doll as a favor to Bruce.