TwosisterslivingseparatelivesondifferentcontinentsarereunitedonaMediterraneanIsland.ThetwobarelyhavetimetobondandrevivefamilytiesasKate,theelder,meetsagroupoflocalsandagreestoanexcitingrideonahotairballoon.Butdisasterstrikesandastheresultofafreakaccident,theballooniscarriedfarouttosea.Theircellphonesoutofrange,andtheballoonrunningoutofgas,Kateandherfriendsarebattlingfortheirlives.While,backonland,theyoungersister,Liz,hasbecomeanunwanted"materialwitness"toacrime.Mattersthentakeadramatictwist,onethatwillmarktheirlivesforever.

Carlinhos catches his partner cheating, then meets lively Graça, who poses as his new one so he can save face at Christmas with his traditional family.

年轻空姐卡珊卓任职于廉航，每日飞往不同城市却从不观光，只想流连电音派对、沉迷酒精或在交友软体找对象。对公司来说，她是无可挑剔的员工；恪遵每条工作指南、达成每项销售目标、答应每次加班要求，甚至不声援同仁的工会活动。但在她耐心对待麻烦乘客，亲切服务倍受赞扬的完美妆容下，却没人察觉她眼底的那抹悲伤。

年轻女学生露兹被一家善良的卡因冈人抚养长大，勇于冒险的她与萤火虫伙伴一起踏上寻根之旅。