Sea Change is a 2006 crime novel by Robert B. Parker, the fifth in his Jesse Stone series. Plot summary In his grittiest investigation to date, Jesse Stone hunts for the killer of a woman whose body washes up on shore. The woman turns out to be Florence “Flo” Horvath, of Miami, Florida. She was pushed off a boat, then run over; knocking her unconscious and causing her to drown. The investigation comes to a halt shortly after she is identified, until Jesse acquires a tape of Flo having sex with two men at the same time. He also discovers that Flo rented a boat before she was murdered, but that it was returned to the wrong place. During the investigation he is led to the yacht “The Lady Jane.” He questions the yacht owner Harrison Darnell, and the other occupants, who of course all deny knowing Flo. In an attempt to get more information, Jesse sneaks onto the yacht and finds a stack of sex tapes. He takes one and reviews it, and although it is sexual in nature, he does not find anything criminal. Later seventeen-year-old Cathleen Holten comes to Chief Stone with accusations of rape. She claims that a man took her onto his yacht, The Lady Jane, forces her to strip for his friends and then rapes her in his cabin. Although, Jesse does not believe her, and the rape later proves to be consensual sex, he uses this opportunity to get a warrant and search the yacht. Having been there before he goes right for the video tapes and confiscates them. While reviewing them with Molly, she recognizes her daughter's fifteen-year-old friend as one of the sex partners. Although Jesse now has the yacht owner for statutory rape, he continues to investigate, determined to get the murderer. However, in the end he does have him and another man arrested for statutory rape. He next finds one of the men in Flo's sex tape and discovers that the men in the tape were brothers. He reveals that it was Flo's sisters that made the tape. He next interviews Flo's sisters, twins Claudia and Corless. They tell Jesse they learned of Flo's death from their friend Kimmie Young. They also tell him that they made the tape to make Flo's boyfriend, Harrison Darnell, jealous. Jesse strikes up a partnership with Miami detective Kelly Cruz, and has her