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...
八公（Forest 饰）是一条谜一样的犬，因为没有人知道它从哪里来。教授帕克（理查·基尔 Richard Gere 饰）在小镇的火车站拣到一只走失的小狗，冥冥中似乎注定小狗和帕克教授有着某种缘分，帕克一抱起这只小狗就再也放不下来，最终，帕克对小狗八公的疼爱感化了起初极力反对养狗的妻子卡特（琼·艾伦 Joan Allen 饰）。八公在帕克的呵护下慢慢长大，帕克上班时八公会一直把他送到车站，下班时八公也会早早便爬在车站等候，八公的忠诚让小镇的人家对它更加疼爱。有一天，八公在帕克要上班时表现异常，居然玩起了以往
