Grabs you by the throat and wont let go Womans JournalDuring their thirty years of marriage Rose Redfern has confided everything well nearly everything to Michael and is certain that he would never hide anything from her Thats why its such a shock when shortly before Rose and Michael are set to take a romantic trip to Venice she receives strong evidence that hes having an affair with a woman their daughters age Rose feels emotionally unmoored and her sense of betrayal swiftly turns vengeful She stumbles across a stash of powerful barbiturates previously used to medicate an epileptic dog and wonders if she might not find a new use for them But is Michael truly unfaithful to Rose or is someone seeking to destroy the Redferns livesand can that person be stopped before its too late Night Visitor is a frighteningly plausible scenario of how secrets and jealousy can tear people apart