The document outlines a short film idea about a teenage girl struggling with seasonal affective disorder (SAD) during the winter months. She becomes depressed in winter and has flashbacks to happier times in summer. The film would show her struggle through voiceover dialogue and contrast locations like the beach and forest between seasons. It also discusses potential actors for the female lead role and locations for filming, including her bedroom to represent loneliness, as well as different wardrobe styles for winter and summer.