On a quiet night, a speeding car smashed the happy life of music professor John (William Mapother). His wife, daughter and beautiful life were taken away by the underage girl Rona (Brit Marling). This accident also dealt a huge blow to Rona's heart. Guilt made her live at the bottom of life, but she could not escape the condemnation of her soul. By chance, she met John again and walked into John's hopeless life in the name of a cleaner. After a period of getting along, they gradually warmed each other's scarred hearts. At the same time, humans discovered a planet very similar to the earth, and it seemed that another human self lived there. Is this hope or a beautiful dream? This film won the Special Jury Award at the 2011 Sundance Film Festival.