Yachties and BFFs Malia and Katie invite former boss Capt. Sandy and her partner, Leah, to join the gang on the mountain for Gaper Day. A visit from Kory's parents puts even more pressure on him to define things with Sam. Amanda's nausea has her and Kyle wondering if starting a family could be here sooner than expected.

Everyone makes the most of the final leg of vacation, but Tom is forced to decide if he should remove Katie from the friendzone. Casey also charts new territory with a housemate as things heat up. On the last night out, friendships are tested when Danielle's jealousy hits a breaking point.