12-year-old Sarah spends most of her time in a fantasy world, where she goes on adventures with her imaginary friends. The film is about Sarah's fantasy world, her relationship with friends and family, and growing up.

A young female writer whose father was a militant activist struggles to come to terms with this cumbersome legacy.

Set in the early 1960s, the story revolves around high school sweethearts Jonas and Agnete, their friendships and families, trials and tribulations.