After her father dies at the Battle of Gettysburg, Sallie Randall and her mother move to Kansas, where Mrs. Randall takes a job as housekeeper and Sallie adjusts to life with a new family. Sallie finds a new friend and they become almost like sisters. Just like most friends, they struggle to remember what friendship really means at times.
Young Sam Clemens and his friend Tom Blankenship suspect Tom's brother, Bence, has found their secret buried treasure and is involved in stealing slaves.
Cassie, who is spending the summer with her aunt while her parents go through a divorce, becomes friends with Joey, a boy in a wheelchair who lives nearby with his grandmother.
Searching for a way to get revenge against school bullies, overweight Jared Springer develops a truth test that ultimately teaches him the truth about friendship
Gabby finds herself in a courageous situation when she is exploring the causeway and thinking about things that are bothering her. Someone needs help and she's the only one around who knows the causeway well enough to save the person.
Two boys harassed by a group of rowdy kids at school get their revenge when they stumble into the school custodian's cleaning closet and find something very unusual.
A chance friendship with an elderly ex-magician helps Jared come to terms with the tensions in his own family.