When Kourtney, Khloe and Scott arrive in the Hamptons, Scott's anxiety at being in his late parents' home town leads him back to old habits.

After Kourtney admonishes Scott for breaking the boundaries they've set for their relationship, Scott makes attempts to clean up his act.

When Kourtney learns that Kim is using her home for North's birthday party without her permission, she flies to LA to confront her.

Scott finally decides to make a change in his life and checks into rehab, but his commitment to stay wavers with each day.

After Scott unexpectedly leaves rehab early, he and Kourtney try to avoid repeating past mistakes. Meanwhile, Kim doubts her best friend's loyalty.

Khloe supports Scott further when she makes arrangements for them to host a podcast – but things get ugly when he backs out on French Montana's video.

When Khloe rekindles her love of horse-riding, Scott and Kourtney make a secret wager on how long she will last and try to push their own agendas.

When Scott is consumed by his negative associations with the Hamptons, he leaves early. Kourtney arms him with the tools for his return to LA.

Scott is still unable to set foot in his late parents' house, so Kourtney sets to work fixing it up, hoping she can convince him to keep it.

Kourtney accuses Khloe of putting Scott's sobriety in jeopardy. After Malika drunkenly kisses Khloe, Khloe begins to question their friendship.