Flatlining

What happens when a lifeline is severed before it's time? That happens to young Luna's husband, Ian, after a car crash that puts him into a coma that killed him. Luna thought that pulling the plug on her husband was the hardest thing that she would have to do. But what happens when she finds out that her husband of 10 years was cheating on her with another man? And what will happen to Luna when she meets the wife of this other man? Will they become enemies? Or will something else happen to the two?