When she discovers the plane crash that claimed the lives of her family was no accident, Stephanie Patrick enters the dark, complex world of international espionage seeking vengeance. With nothing left to lose, Stephanie transforms from victim to assassin and discovers that neither revenge nor the truth are what they appear.
Hideo Suzuki is a 35-year-old mangaka assistant, whose life seem to be stuck around his exhausting but low-paying job, unfulfilled dreams, strange hallucinations and unsatisfying relationships. He sees himself as a supporting character in his own life, has low self-esteem, resulting in frustration. One day, the world as Hideo knows it is shattered by the presence of a disease that turns people into homicidal maniacs, whose first instinct is to attack and devour the nearest human.