Cairn is a dark film on adolescence in which the main character Johan (11) faces a moral dilemma after having started playing a seemingly innocent prank. The story unfolds on a l level in the turbulent transition between childhood and adulthood.

14 year old Jonas lives in a small rural place and has few friends. In quest for acceptance Joans is faced with a difficult choice. A boy's gang wants him to harass the little pony belonging to the village's mental retarded man, Levi.