Reelingfromherhusband'saffair，Rosecollideswithamaroonedteenagerinaboarded-upDelawarebeachtown. Devastatedbythenewsofherhusband'saffairandconvulsedbywavesofgriefandrage，twentysomethingRose(GretaGerwig)-vengeful，abitunhinged，andstillcladinherpajamabottoms-drivestoasleepyseasidetowninDelawareintentonfindingherspouse'slover.Climbingintoanoldlighthouseonthebeachtoswillasix-packofbeer，RosestumblesuponasleepingBritishteenager(OllyAlexander)whomshewakesandinsistsontakingsomewhere.Strandedbysomeunknownparty，thechatty，ludicrouslyattiredyouthaccompaniesRosetoabrewerywhere"theotherwoman"wasrecentlyemployedandthentoherparents'summergetawayhouse，slowlyattuningtoheranguish.Asthegreywinterdaysrollby，themismatchedpairembarkonaseriesoffrolicsomeadventures-Englishdancelessons，role-playinginpublic-thatbringthemintocloserquarters，ignitingabittersweet，perhapsimaginaryromance. ThisquirkyromanticcomedyfollowsRose(GretaGerwig)，whoselifechangesafterdiscoveringherhusbandsaffair.Shelatercrossespathswithamaroonedteenagerinaboarded-upDelawarebeachtownandbeginsadelicatefriendship.Thisengagingandinsightfulfilmwillmakeaudiencesappreciatechangeforbetterandworse.