When Jennifer's beloved teacher and mentor dies suddenly, she leaves the town she owned, Kingman's Ferry, to Jennifer. A trail of mysterious clues leads the Harts to long-kept secrets about the town that were directly tied to her friend's "accident," and it looks like they're destined to meet the same fate unless they can solve the mystery of Kingman's Ferry before it's too late.

Jonathan and Jennifer travel to publisher Alfred Raines' private island for a party at which Raines is hoping to sign Jennifer to a writing contract. When Jennifer overhears someone plotting to murder a man during the weekend, she and Jonathan set out to discover who's trying to kill who and almost get themselves killed in the process.