While travelling with her mother cross-country by train in 1896, a young girl unexpectedly shares Thanksgiving dinner with the notorious outlaw, Butch Cassidy.

In 1934 Kit finds that she has hard lessons to learn about the Depression both at home, where she is helping her mother run a boarding house while her father looks for a new job, and at school, where a fight spoils the preparations for the Thanksgiving pageant.

Jack and Annie travel in their magic treehouse to the year 1621, where they celebrate the first Thanksgiving with the Pilgrims and Wampanoag Indians in the New Plymouth Colony.

Low Leaf, a Wampanoag, describes life before the coming of the English, the arrival of the Mayflower, the hardships endured, the friendship between the Indians and the settlers, and the harvest feast they shared.