Khloe's mistrust of her mother's boyfriend Corey Gamble resurfaces on a very awkward family trip to Palm Springs, leaving Kris hurt and confused about her daughter's behavior. Kendall invites Kourtney and her kids to stay with her after evacuating from their home due to the fires, but when Kourtney shows no signs of leaving, Kendall must find a way to tell her that she's overstayed her welcome. Kim is furious when she learns Khloe has secretly gifted North a new pet.

Kris reluctantly allows Kim to take over the annual Christmas Eve Party, but the holiday is in jeopardy when Kris learns Kim has invited an unwelcome guest, Caitlyn Jenner. Khloe must come to the rescue when North's beloved hamster unexpectedly dies and Kim can't deal. Kris is determined to understand the unconventional relationship between Kourtney, Scott, and his girlfriend Sofia after the three are seen vacationing together in Mexico.