《指甲》是一部優秀的科幻 類型影視作品，《指甲》劇情簡介：Setinanuncannyfuture—orperhapsaslightlyalternatepresentwherecellphonetechnologyisnowheretobefound—AnnaandherpartnerRyanhaveachievedeverycouple’sdream:theyareinpossessionofadocumentcertifyingtheirtruelove.Theircomfortableifsomewhatmundanelife,however,leavesAnnaquestioningtheirsuccessfullovetest,administeredbyplacingtheirextractedfingernailsintoacutting-edgemachine.AnnasoonbeginsworkingfortheLoveInstituteunderthetutelageofDuncan(LukeWilson),which,inadditiontodeterminingacouples’statusviathemysterioustest,trainsthemtodeepenbonds.There,she’spairedwiththeexperienced—anddevastatinglycharming—Amirtotakecouplesatvariousstagesofrelationshipsthroughaseriesoflove-buildingactivitiesbeforethebigtest.Asthenewcolleaguesworktoamelioratetheconnectionsofclients,AnnabeginstowonderifperhapsAmirisheronetrueloveandiftrustingherownfeelingsisamorereliablemetricthanwhatisdeterminedbyamachine.