Kim and Khloe think old flames are brewing between Kourtney and Scott and take it upon themselves to set them up on a romantic date. The Kardashian girls challenge the Jenners to an obstacle course to determine once and for all which side of the family is more athletic. Kris and Corey agree to abstain from sex as an experiment for Poosh.

Kourtney sets boundaries with her Poosh team when the line between business and friendship becomes blurred. Caitlyn reaches out to Kris for some help with a business venture, but the family doubts that Kris will go through with it. Khloe and Tristan have an unexplainable experience while searching for aliens.