剧情：Nancy,EastofFrance.Summertime.Seekingtoescapehertroublesomefamilyenvironment,Sophie,15,jumpsatthechancetogetthesparekeystoherwealthyfriendJade’shouse.Whileenjoyingthespacioushomeshethoughtdesertedforsummer,shebumpsintoherfriend’solderbrotherStéphane,who,asfatewouldhaveit,wasalsoplanningonstaying.Butinsteadofchasingherout,StéphanewillchosetoleavethedooropeninvitinginasummerSophieneverexpected.Debutfilm. 影视剧网提供“备用钥匙”在线观看及备用钥匙剧情，备用钥匙海报。