Brian is a thirteen-year-old boy struggling to cope with his parents' recent divorce and his knowledge of his mother's secret relationship. Formerly accustomed to city life, he finds himself abruptly stranded in the Canadian wilderness with only the clothes on his back and a hatchet on his belt. He must battle his own anger and fear while figuring out how to adapt to his harsh surroundings.

Brian's mother is recently separated from her husband and attempting to bridge the emotional distance between herself and her son. She gifts Brian a hatchet for his trip to the Canadian woods, hoping to provide something useful. She remains completely unaware that Brian knows about her new romantic relationship, a secret that severely damages their bond.

Brian's father is living and working in Canada for the summer following his separation from his wife. He does not know the specific reasons behind his wife's request for a divorce. He maintains a strong presence in Brian's mind, occasionally appearing in dreams to offer silent guidance.

The pilot is a quiet professional tasked with flying Brian into the Canadian wilderness. He briefly attempts to make the trip educational by showing Brian the basics of steering the small aircraft. He emphasizes that with practice, difficult tasks become manageable.

Terry is Brian's good friend from back home in the city. The two boys spend time together riding bicycles and discussing hypothetical wilderness survival scenarios. Terry's memory provides Brian with practical inspiration when he needs to build his first shelter.

Mr. Perpich is Brian's former English teacher. He frequently advises his students to stay positive, look at situations logically, and view themselves as their own best assets. His classroom teachings echo in Brian's mind during moments of extreme panic.

The Blond Man is an unknown individual whom Brian spots kissing his mother outside a shopping mall. He serves as the center of the secret that Brian carries in silence. His presence disrupts Brian's family life and triggers the events that send Brian to Canada.