Agnes, a teacher from the Hessian provinces, has come to Berlin to identify a dead girl who might be Lydia, her runaway daughter. It turns out not to be Lydia, but Agnes stays in the city anyway. Still frantically looking for her missing daughter, she comes across a young stray called Ines, who no longer leaves her side.

　　林恩 (22岁) 和哥哥住在柏林，在那里她享受着家庭生活的好处，却没有真正参与其中。她没有任何明确的生活目标，但她随性而直接的性格唤醒了许多人的兴趣。她的男朋友大卫很不一样，他全神贯注于世锦赛游泳训练。大卫不打算让自己因为与林恩关系而分心训练。当林恩在餐厅当收银员时遇到了日本学生 Koji，一切变得更加复杂……