Tessa Young is an 18 year old college student with a simple life, excellent grades, and a sweet boyfriend. She always has things planned out ahead of time, until she meets a rude boy named Hardin, with too many tattoos and piercings who shatters her plans.

After the seductive primadonna murders the young bride of an infamous crime lord, a calamitous war rages between both adversaries and endangers all of England. Knightsbane, a secret group of genius S rank detectives with special abilities must prevent the uprising doom at large.