Nash and Joe discover that someone is using their detective agency's name to stir up business for themselves, and that one of the impostor's clients is out to kill Nash; a college student is believed to have drank himself to death, but Cassidy suspects he was actually murdered; Hank intervenes when his neighbors get too rowdy.

While tracking an old nemesis who has escaped from prison, Nash and Joe become trapped in the basement of an abandoned building---which is set to be imploded.