Joe, Miles and Harry are growing up on the remote south coast of Tasmania. The brothers' lives are shaped by their father's moods - he is a bitter man with a devastating secret. Miles does his best to watch out for Harry, the youngest. Often alone, Harry finds joy in the small treasures he discovers, in shark eggs, cuttlefish bones and a secret friendship with a mysterious neighbour. But sometimes small treasures or a brother's love are not enough...