One day can change a person's life forever.Alissa anticipated a normal shift at Mass General Hospital until the zombie outbreak spread through Boston like wildfire. When patients and staff in the ER begin to die, reanimate, and attack the living, Alissa must fight her way to safety to avoid becoming one of the ravenous hordes. To survive, Alissa must develop instincts and skills she did not realize she had and overcome fears no human were meant to...