Dr. Ali Torveau knows just how fragile life can be - she sees death and tragedy every day in the trauma unit. Battling the dark forces of fate is her life's work and she doesn't want or need anything else, certainly nothing as transient as love. Plenty of women try to change her mind, but she never has any trouble saying no. Not until the day firefighter Beau Cross shows up in her ER and sets Ali's carefully ordered world aflame.