《美式禁忌3》中字Asseasonfourbegins,theRosesaremakingthemostoflifeinSchitt’sCreek,and—Moira’sconstanttalkofescapingaside—arefinallystartingtofeelathomeinthetown.JohnnyisbusyrunningthemotelwithStevieashispartner.Businessisbooming,butit’sachallengeforhimtobalanceworkandfamily,whiledealingwithRoland’santics.MoiraiscarryingoutherdutieswithTownCouncilandtheJazzagals,andisalsolookingfornewwaystoutilizehertalents,whetherit’sthroughatheatricalperformance,orbyhelpingAlexisnavigateeventplanning.Davidismanaginghisstoreandattemptingtomaintainabrandnewrelationship,butbetweenstrugglingtofindthetimeforromance,andovercomingtheanxietiesofhisdatingpast,thisisprovingtobeachallenge.Meanwhile,Alexisisputtingallofherenergyintoschoolandhercareer,butisfindingitdifficulttofocuswhenshestillhaslingeringfeelingsforherex-fiancé,Ted.