Josefina discovers that she has a gift for healing when she tends an orphaned baby goat, finds the courage and creativity to mend her family's broken trust in an americano trader, and seeks to keep her family whole and happy when T́ía Dolores plans to leave.

Josefina and her sisters are excited when energetic young Aunt Dolores arrives at the rancho, bringing new ideas, new fashions, and new challenges, but they worry the changes will make them forget Mamá, especially as Christmas approaches.

Shortly before the Revolutionary War, nine-year-old Felicity, who lives in Williamsburg, is torn between supporting the tariff-induced tea boycott and saving her friendship with Elizabeth, a young loyalist from England.

Elizabeth Cole and her best friend, Felicity, are "the merriest girls in Virginia". The merry friends think it's very funny to play tricks on Elizabeth's snobby older sister, Annabelle. When Annabelle Bananabelle becomes engaged, Elizabeth and Felicity's mischief heats up, until Elizabeth finds herself in big trouble!

In Williamsburg in 1774, nine-year-old Felicity rescues a beautiful horse who is being beaten and starved by her cruel owner.

When Tia Dolores, the beloved aunt who has cared for the Montoya family since the death of their mother, announces that she is planning to leave, Josefina and her sisters try to find a way to change her mind.

The second Christmas after their mother has died, Josefina and her three sisters find that participating in the traditions of Las Posadas helps keep memories of Mama alive.

Josefina hopes to become a "curandera" or healer like Tia Magdalena, and she is tested just before her tenth birthday when a friend receives a potentially fatal snakebite.

When a dashing man from Mexico City brings Tia Dolores a ruby ring for Christmas, Josefina notices that things start going wrong and she decides to get to the bottom of the mystery.