《悸动》Johnathanisanine-year-oldboywholovesseamonsters,andhis300lb.petpig,namedWeeWee.Unlikemostkids,Johnathanhasnystagmus,whichmakeshiseyes"flutter."Healsosuffersfromseverenarrowangleglaucoma;anacuteconditionthatifuntreatedcanleadtopermanentblindness.JoLynncaresforJohnathanalonewhilehersinger/songwriterhusbandDavidtravelsinsearchofhisbigbreak.TotreatJohnathan,shegrowshydroponicmarijuanatorelievethepainfulintraocularpressureGlaucomacauses.Shecooksthemarijuanaintobrowniesandfeedsthemtohiminsecret.David"sparents,MarkandLinda,livenearbyandprovideforJoLynnandJohnathanasbesttheycanonafixedincome.LindaishighlycriticalofJoLynn"sabilitytoraiseJohnathan.Duringherson"sabsence,JohnathanhasbecomemoreundisciplinedthanLindawouldlike.WhileMarktriestokeepthepeace,heistornbetweenhiswifeandtheirdaughter-in-law,whohelovesdeeply.