When Ingeborg Bachmann and Max Frisch meet for the first time in Paris in the summer of 1958, they are already international celebrities of the literary world. In the four years that follow, they dabble in great love and an open relationship between his hometown of Zurich and her adopted Rome.
After losing part of her memory, Maret, 44, sets out to find out who she used to be. She learns about the many different life paths she followed, in none of which anything was ever really achieved. A profoundly unhappy person in a never-ending, headlong rush. A doctor on the island of Lanzarote offers to put this restlessness to an end through brain surgery. A promise of peace and satisfaction. Will Maret proceed with the surgery that would take away part of her being - or not?
Erik is convinced he has a stone for a heart. That’s why he doesn’t mind that his parents have no time for him, or that he is bullied at school, or that he has no real friends. When his family moves to a villa they inherited, he is confronted by Maria whom Erik's parents want to kick out along with her father. Maria refuses to move and promises to make Erik's life a living hell. As a last attempt to defeat Erik, Maria goes to look for her mother who disappeared two years ago. Together they end up on a fantastical journey to the In-Between-World and Erik learns how hard it really is to wear a heart of stone.
Jewish aesthete Cioma, 21, does not let anyone take away his joy of life, especially not the Nazis. In 1942, he has to find new ways to make his living in Berlin and escape deportation. In the process he discovers his talent for forgery: not only with passports, but also his own identity.