Little Wing tells the story of 12-year-old Varpu (Linnea Skog), who's quickly growing to adulthood, and about her mother (Paula Vesala), who doesn't want to grow up. Varpu lives with her mother and has never met her father. One night Varpu has enough of her riding buddies and her mother. She steals a car and drives up north in search of her father, of whom she only knows the name. But her father is not exactly what she had expected. Meeting him trigger something in Varpu and Siru's life, making them realize their role in each other's lives, and in the world.

在芬兰北部临近瑞士的一个边陲小镇上，一个退休警察发现其私生子的出狱对整个小镇都造成了威胁。私生子在发现了家里不可告人的秘密后，开始伺机报复自己不称职的父亲，从他身边的亲朋好友中一个个下手，当然也不会放过他那同父异母的兄弟。被仇恨吞噬的两兄弟一时间令镇民们都陷入了恐慌之中。为了不让儿子们再生事端，警察不得不直面自己曾经所犯下的错误。

这个男人M（马库·佩尔托拉 Markku Peltola饰）是一个失忆的流浪汉，没有名字，亦没有过去。因为失忆，他无法拥有合理的身份证明，无法找到住处和工作。一个精明的治安员把废弃的集装箱出租给流浪人士作为居所，收取租金，男人也住了进去。在这里，各种同样苦难却心地善良 的人们，为男人的生活投射进来一缕温暖的阳光。男人更是得到了救助站姑娘厄玛（卡蒂·奥廷宁 Kati Outinen饰）的热心帮助，两人的爱情也在苦难的日子中悄然萌芽。 男人似乎可以重新开始生活，却意外牵涉进一桩银行劫案。警察的追查不但让男人陷入了麻烦的境地，还让他得知自己的身世，以及自己曾经拥有的家庭。男人找到自己的妻子，却不知如何在本来已经消逝的过去和眼前的现实之间做出抉择。