《备用钥匙》是由西莱丝特·布伦奎尔,康坦·多尔迈尔,Chloé,Mons主演的一部剧情片，Nancy,EastofFrance.Summertime.Seekingtoescapehertroublesomefamilyenvironment,Sophie,15,jumpsatthechancetogetthesparekeystoherwealthyfriendJade’shouse.Whileenjoyingthespacioushomeshethoughtdesertedforsummer,shebumpsintoherfriend’solderbrotherStéphane,who,asfatewouldhaveit,wasalsoplanningonstaying.Butinsteadofchasingherout,StéphanewillchosetoleavethedooropeninvitinginasummerSophieneverexpected.Debutfilm.