Thirteen-year-old Victor has severe autism. Led by his dog, Cheyenne, with his nine-year-old brother, Luke, they go through a forgotten door in the side of a mountain to a time long ago where he loses his autism. They travel back and forth from past to present several times, and they learn truths about themselves that they never knew. Through many adventures and narrow escapes, they learn the value of family and heritage. Finally, Victor must choose between an exciting offer of opportunity in the past and a life of autism in the present with his family. What will he choose?