Brilliant playwright, Lisa, no longer writes. She lives in Switzerland with her family but her heart has stayed in Berlin, beating to the rhythm of her brother's heart. The ties between the twins have grown stronger since Sven was diagnosed with an aggressive type of leukemia. He's a famous theater actor and Lisa refuses to accept his fate, moving heaven and earth to get him back on stage. She gives her all for her soul mate, neglecting everything else, even risking her marriage. Her relationship with her husband starts to fall apart, but Lisa only has eyes for her brother, her mirror, who connects her back with her deepest aspirations and rekindles her desire to create, to feel alive...
从影评人到普通观众，《我的妹妹》得到了各界的广泛关注和讨论。影评人们称赞其在情节设计和人物刻画上的巨大突破。
《我的妹妹》该片讲述了少女一路与命运的抗争，最终找到自我，也收获纯真情缘的故事。电影延续原著原剧，准备唤起全民对这段师徒虐恋的追剧回忆。
没有精心搭建的造景、没有靠灯光营造的氛围，更没有强情节、快节奏、多反转的人造戏剧元素
大自然是人物的舞台，人在自然中“自然”地生存着，人与自然浑然一体。草原、河流、山峦、羊群、马匹、与人的生存状态，水乳交融地构成和还原了一种原生态关系。
