After making contact with the spirit world during a near-death experience, Sarah moves to Houston with her parents and receives otherworldly messages about a murder committed in her house.
Following an act of vandalism against her father's girlfriend, a seventeen-year-old girl is paired by the court with an eccentric senior citizen whose hobby as a sleuth turns deadly.
While working on a genealogy project for his seventh grade history class, Andy Bonner becomes determined to solve the mystery surrounding a distant relative who was accused of stealing the family fortune.
Nineteen-year-old Frances Mary Kelly, herself an orphan train rider six years before, returns to New York and agrees to escort a group of orphans west to find new homes.
After being taken in by Captain Taylor and his wife in Kansas, twelve-year-old Mike Kelly and his friend Todd Blakely join the Union army as musicians and see the horrors of war firsthand in Missouri.
Shirley and Claude lead a settled life with their adopted son, Tom, until Shirley goes to town to retrieve Tom's sister, Bessie, and the two run into more than their share of trouble with criminals.