Da Vinci investigates two deaths. The first death is that of Marjorie Diggens, found at the bottom of her basement stairwell by her husband, Louis. Da Vinci believes the death to be an accidental fall down the stairs, but Patricia thinks it may be an from a fight between husband and wife. Leary and Kosmo, the Homicide investigators, discover the Diggens had a history of reported domestic problems. And because the determination of possible homicide was delayed, the accident scene has been contaminated, therefore there is no usable forensic evidence. When Chick discovers a blood stained hockey stick which could be the murder weapon, Leary and Kosmo uncover what happened, but it's not quite what they originally think. The second death is that of Alan Bush, a federal cabinet minister. He is reported and found dead in his bedroom, but Da Vinci, upon first look, knows that the body was moved there after death. Shannon, the homicide investigator, discovers that Bush may have died in a hotel ...