Is a man a serial killer if he only kills the burglars who break into his home? And what if one of them is the man who had murdered the homeowner's wife and was returning to kill him? After he avenges his wife's murder, the bodies of all the burglars are discovered in Walter Buczyno's crawlspace, and he becomes a Wanted Man on the run. While Riehle and Capparelli are investigating the Buczyno case, Riehle watches a family friend descend into madness, and his life goes horribly wrong. . . One Man's Castle is a suspense thriller that keeps the reader turning the pages until the dramatic conclusion when all forces collide, nothing is what it seems, and lives are changed forever.