Anastasia Hills, a high school senior with perfect scores on tests and exams, a shy and quiet girl, known as the "school's biggest nerd". She holds a deadly secret that no one else can know. At night, that's where her day begins, she is a world class assassin, the legendary "God of Death". But what happens when the ice hockey captain, Brandon Flitch becomes her newest neighbour and is drawn by her mysterious personality, most importantly, Brandon is dead set on a revenge story and needs her help. Will she be able to keep her double life or will her deadly secret be known?