That'sNotUsisanintimateportraitofthreetwenty-somethingcouplesastheytraveltoabeachhousetoenjoythelastdaysofsummer.Butwhatshouldbeafunandcarefreeweekendbecomesanexplorationofwhatittakestosustainahealthyrelationshipandmakelovelastinwhatisnowbeingcalledthe"gayestgeneration."Througheachofthethreecouples-onegay,onelesbian,andonestraight-That'sNotUsexploressexandrelationshipswithafreshperspective,findingthatwhilesexualityandgendermayvary,thestrugglestokeeplovealivedonotee