All those of a flirty and cheating disposition better beware, because Abby Russell, the capable and devoted Head Nurse of the All Saints Memorial hospital, has a thing for miserable cheaters who walk among us and plague the innocent families. As a result, at nights, sultry and deadly Abby preys on unsuspecting hypocrites, enjoying bringing them on their knees and seducing them to their deaths. Furthermore, without the slightest remorse, she is not willing to stop, knowing that she is the cure to a vicious infection. But when Abby takes under her wing the young trainee nurse Danni Rogers, a dark and incurable suspicion will begin to threaten her mentor's silent and aggressive crusade with unforeseeable results. Who shall stand in the way of the nurse's fury?