The family is back! Before Khloé turns 40, she is on mission to shed her painful past. Kim stresses over a trip to the White House to discuss prison reform, and Kourtney celebrates her 45th birthday at a familiar restaurant.

Kim faces the MET gala after dealing with backlash from the night before, while Khloé is leaving the burdens of her past behind her. Kourtney organizes a surprise family dinner that isn't an easy ride.

Kim follows in Kris' footsteps and takes on the Momager role when North is presented with an opportunity. Kendall and Kylie bring their new collaboration to Sin City, while Khloé tries to help Scott find a new assistant.

Kim is terrified of opening old wounds with Kourtney when a new business opportunity arises. Kris, Khloé, and Kim have dinner with a renowned longevity specialist, before ending the week at a concert for an epic night!

Khloé is ready to celebrate as she nears her 40th birthday! While she takes a road trip to Santa Barbara, Kim goes all out planning a show-stopping bash for Khloé, but her sisters don't see eye to eye on the vision for the party.