一对同母异父的小姐妹，妹妹八岁，与父母同住，幸福富有，姐姐十三岁，跟着外婆，贫困艰难。起先，妹妹歧视姐姐，但当妹妹的父亲卷入了一场黑帮争斗中而被人追杀时，唯一来帮助妹妹的，却是她以德报怨的姐姐。姐姐带着妹妹逃跑，两人相依为命，闯过了一个又一个险境。姐妹俩人的关系最终由嫉恨化解成了爱。

In present day Moscow three childhood friends in their forties – former school band players – live their everyday lives of a police officer, a taxi driver and a surgeon. They have lost track of each other. Three stories of betrayal, love and ageing are told in parallel. In fact, unknown to our heroes, their paths cross and their lives become connected. But they are not aware of it even when they reunite for a breaking performance at their graduation anniversary.

80岁高龄的芭布西亚把自己一生献给了身边的人。在子女子孙的眼中，她是世界上最重要的人。时间一天天过去，子孙们变得越来越冷漠。在女儿死后，芭布西亚只能在家附近找了个小屋一个人住。渐渐，俄罗斯发生了巨变，每个人都开始对这位老妇冷漠不仁。从此，芭布西亚决定追寻自己的道路……