Nick and Katie are sent to live with an aunt and uncle but Aunt Margaret does not make the children feel at all welcome. The children soon befriend young Laura, a neighbour, but with nowhere to go, the two decide to run away and make a new home in the woods. Laura and her dog, Russet, are the only ones who know their secret and are soon bringing them provisions. Suddenly, disaster strikes and Laura is no longer there. Will Nick and Katie reveal their hiding place, and what will become of them once they do?