Doomedto--orblessedwith--eternallifeafterdrinkingfromamagicspring,theTuckfamilywandersabouttryingtoliveasinconspicuouslyandcomfortablyastheycan.Whenten-year-oldWinnieFosterstumblesontheirsecret,theTuckstakeherhomeandexplainwhylivingforeveratoneageislessablessingthatitmightseem.ComplicationsarisewhenWinnieisfollowedbyastrangerwhowantstomarketthespringwaterforafortune.