Under mysterious circumstances, the restorer Lukas Albrecht drowns in the Canale dei Marani in Venice. While the easy-going Commissario Santo sees no criminal offense, the victim's widow resents the details. Anna, who is traveling from Vienna with her eleven-year-old son, doesn't believe it was an accident: her husband didn't have any alcohol in his blood, he knew the lagoon and could swim

Back in Utrecht and burdened by feelings of guilt, expat Lisa reflects on the past Easter weekend at her mother Rike's country house, and the unsettling visit from her childhood friend Marie following a tragic event.