InNotesofAutumn，Ellie(Williams)isafun-loving，classicallytrainedpianistlivinginthecitywhogaveuponherpassionlongago.Shenowworksforahotelandalwaysseemstobegettingthingswrongwhenmusicalinspirationstrikes.Herbestfriend，Leo(Macfarlane)，livesintherusticoutskirtsofBritishColumbia.He’safamousauthorwithwriter’sblockwhocan’tfinishanotherinstallmentinhishighlypopularbookseries.Theybothneedachangeofsceneryasthechillydaysofautumnsettleinanddecidetoswapplaces，endingupcompletelylostinnewsurroundings. ElliegetstangledupinhelpingLeo’sneighbor，Sam(Rosner)，puttogetheramusicalperformanceforalocalfundraiserandcomestotermswithwhyshequitmusicyearsago.Meanwhile，LeostrikesupafriendshipwithEllie’sgoodfriendMatt(Porte)andopenshimselfuptowritingsomethingdifferentthatreallyinspireshim.Theirnewfoundfriendshipsturnintosomethingfarmoremeaningful.AsbothEllieandLeotakepartinthejoysoftheautumnseason，theyalsodiscovertheirheartsbelongsomewhereverydifferentthantheyeverthoughtpossible.