Jacek - a middle-aged man, uses the services of a company that transforms people into trees. The process of his transformation is supervised by Doctor Buk and therapist Melisa, who make sure that he is fully aware of the consequences and that his decision is not accidental.

During an all-night train trip, Jaśmina shares a compartment with Andrzej - a mysterious, older man. At first a conservative and reserved acquaintance evolves into a tender, empathetic and understanding relationship between two alien souls.