After the adoption of the law on voluntary euthanasia, the rivers and lakes of Moscow were turned into underwater cemeteries. Mara is a young artist in a creative crisis, preparing to go into the water, but after meeting Liza—a girl who is losing her sight—she begins to doubt her decision. The friendship between two lost people turns into something more. Will Mara be able to overcome her crisis and, together with Liza, fight loneliness on the way to a happy life?