Jake Barnes moves his daughter and son to Alaska and earns money by ferrying supplies to locations throughout the state. His daughter loves it, but her brother doesn't, and he can't wait to leave. However, they join forces to look for their father when they learn that he has gone down in an airplane accident. The official search party is called off and Jake is assumed dead, but the children will have none of it, and go off on their own into the Alaskan wilderness.