Kim and Kourtney are tired of learning about Khloe's new friends through Instagram, but their sister isn't ready to spill the beans. When Kim tries to force the issue by surprising Khloe at a French Montana event, she's not the only one to crash the party. See what happens when Lamar shows up! Meanwhile, Kris feels hurt that Kim has locked her out of planning the wedding. Can they reach an understanding before the fight goes too far?