Lisa is a brilliant playwright who no longer writes. She lives in Switzerland with her family but her heart has stayed in Berlin, beating to the same 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 is a theatre actor and Lisa refuses to accept his fate, moving heaven and earth to get him back on stage. She gives her all for her brother, neglecting everything, even risking her marriage.