Knock Knock Ghost (2015)

Episode Overview

In the lead-up to the Casino League Championship game, Danny and Mike embark on a mission to locate a missing casino staff member and budding inventor whose passion may have led him into peril. Ed coordinates a city-wide effort to find the man, who happens to be the father of one of their youth football players. Simultaneously, Sam reluctantly takes on the role of mentor to the girlfriend of casino owner Gavin Brunson (guest star James McDaniel), only to uncover that this seemingly harmless apprentice is plotting to have her dismissed.