Malloy returns from vacation sporting a mustache, prompting chuckles and guffaws from the squad. The officers then assist Air Ten in an airplane operated by a drunk pilot which crash-landed, and the police have to get the pilot out before he lights a... (more) cigarette which would have ignited the leaking gas coming from the plane, and rescue the pilot's son who required CPR. Reno West is suspected in the theft of some stamps from a mansion, a witness provides excellent descriptions of suspects involved in a jewelry store robbery, who is apprehended during a routine traffic stop, and a woman taking an alleged purse snatcher to the police station in her car rather than walk four miles to do so. Malloy shaves off the mustache when he has trouble trimming it.