Caren Blumberg needs a new kidney, but unfortunately her husband Sebastian is not a match. Jan and Birthe Kempe are in a similar situation. Then a doctor suggests another possibility to the couples: Organ donation between the couples would be feasible. However, the two couples must prove to an ethics committee that the organ donations are being done of their own free will, motivated by a deep personal bond. The attempt by the mismatched foursome to become friends leads to a bittersweet result with unexpected consequences.