When Caro Lamont, psychologist turned pet therapist, makes a house call in posh southern California to help Kevin Blackstone with his two misbehaving German Shepherds, she expects frantic dogs, a frantic dog owner, even frantic neighbors. What she doesn't expect is that two hours later the police will find Kevin dead, and as the last person to see him alive she is a person of interest, at least according to Homicide Detective Judd Malone.