"我们无法改变世界，但可以努力成为更好的自己来面对这个世界。"——三轮伸介，《钢之炼金术师》 Setinanuncannyfuture—orperhapsaslightlyalternatepresentwherecellphonetechnologyisnowheretobefound—AnnaandherpartnerRyanhaveachievedeverycouple’sdream:theyareinpossessionofadocumentcertifyingtheirtruelove.Theircomfortableifsomewhatmundanelife,however,leavesAnnaquestioningtheirsuccessfullovetest,administeredbyplacingtheirextractedfingernailsintoacutting-edgemachine.AnnasoonbeginsworkingfortheLoveInstituteunderthetutelageofDuncan(LukeWilson),which,inadditiontodeterminingacouples’statusviathemysterioustest,trainsthemtodeepenbonds.There,she’spairedwiththeexperienced—anddevastatinglycharming—Amirtotakecouplesatvariousstagesofrelationshipsthroughaseriesoflove-buildingactivitiesbeforethebigtest.Asthenewcolleaguesworktoamelioratetheconnectionsofclients,AnnabeginstowonderifperhapsAmirisheronetrueloveandiftrustingherownfeelingsisamorereliablemetricthanwhatisdeterminedbyamachine.