Lisa, once a brilliant playwright, no longer writes. She lives with her family in Switzerland, but her heart remains in Berlin, beating in time with that of her brother Sven, the famous theatre actor. When Sven is diagnosed with an aggressive leukaemia, the relationship between the twins becomes even closer. Lisa does not want to accept this blow of fate, she does everything in her power to bring Sven back on stage. For her soulmate she neglects everything else and puts her marriage at stake.
