Nestled on the San Gabriel River in Central Texas' Hill Country, Georgetown is a small town where things are normally pretty quiet. That is, until Adam Thomas, a retired scientist and now writer of a newspaper column for women under the name Aunt Kay, inherits a Confederate solder's journal and a new murder. Adam and his girlfriend Kathy find themselves the center of dark doings, strange people and racing headlong into a fast paced, high stakes adventure to untangle a murderous puzzle, a series of macabre organizations and locate the centuries old and highly unusual, San Gabriel Secret.