While Sgt. Brown is out, Alvarez takes charge but things do not go well. Alvarez is convinced by Foster, a U.S. Marshall, to release Bo Keebler, a man who tried to rob a Chinese restaurant, into his custody. However, after a fake bomb threat is called in, Casey, Alvarez and Walsh learn there may be more to Foster than meets the eye. Source Link :- http://ready2beat.com/entertainment/television/unusuals-season-1-episode-8-dentist