Kim reveals she no longer wants to host the annual Christmas Eve Party. The family feuds over holiday plans. Scott struggles to talk about his parents when reunited with a relative from his past.

During a whirlwind week of birthdays, Khloe and Kim plan an epic surprise to celebrate Corey. Khloe must choose between freezing her eggs and making embryos with her ex. Kim races against the clock to help an incarcerated man whose execution is days away.

Khloè wrestles with whether to send her daughter to Cleveland to visit Tristan. Kylie considers undergoing a scary medical procedure. Scott and Khloè plan their next prank on Kris that will top all previous pranks.

When Kris is at a sexual peak in her relationship, she feels guilty Khloe is in a dry spell and tries to push her to date again. Scott panics over an upcoming speaking engagement.

Part 2. In the aftermath of their fight, Kim and Kourtney head to Armenia to baptize their kids. Upon realizing that her lifestyle is making her unhappy, Kourtney considers making a major change. Kris is beside herself when she learns that Kylie is too sick to fulfill her work obligations in Paris.

Kim becomes too friendly with Khloe's ex, Khloe must put her foot down and set some boundaries. Kylie prepares to debut her Kylie Cosmetics collaboration with Balmain at Paris Fashion Week, but Kris grows concerned when Kylie becomes too sick to travel. Tension boils over when Kim and Khloe confront Kourtney over her recent attitude, leading to an explosive fight between the sisters.