Chris is one the best and brightest at the Sugarland PD, but lately a mysterious illness has him struggling to get through the day. When his symptoms land him in the care of brilliant and sexy Dr. Robyn Lassiter, Chris realizes that he is the latest victim in a rash of mysterious poisonings in the area--most of them fatal. Figuring out who's causing the fatal outbreak has become a very personal--and deadly--race against time. Despite battling her own personal demons and painful past, Dr. Robyn Lassiter can't fight her attraction to her new patient. But as she struggles to help Chris track down the sick mind behind the deaths, she's not only at risk of losing her heart but of falling headlong into a lethal plot that could take her life.