Brian must survive alone in the harsh Canadian wilderness after his plane crashes, with only a hatchet. He struggles against the bitter cold and wind as he works to start a fire, build shelters, and find food and water. After many close calls, Brian is able to locate the tail of the downed plane at the bottom of a lake and salvages supplies that help him endure until he is rescued. The book teaches the themes of perseverance and never giving up in the face of adversity.