A grieving husband walks into Sylvia Wilcox's private detective agency on Christmas Eve and asks her to solve his wife's murder. The husband, Carson Stark is a wealthy doctor who can't understand why his wife was shot dead in one of Detroit's worst neighborhood. The police suspect infidelity, but a review of the case files fails to produce any evidence of disloyalty on the wife's part. Sylvia discovers a mysterious web of family secrets and lies that indicate Liza's murderer may have been someone she loved and trusted.