The Back Bay File, details the fourth major case of the teacher turned private investigator, Max Cantu. While looking into the murder of a woman at an upscale Newport Beach shopping mall, he and his partner, his wife Bryn, uncover a larger plot to kill many innocent people. His investigation delves into the private lives of some very free spirits as well as some very disgruntled Americans. In addition, he is put in the position of having to look over his shoulder because of a threat stemming from a previous case involving a Mexican drug cartel.