A former Marine out to punish the criminals responsible for his family's murder finds himself ensnared in a military conspiracy.

Balthazar Blake is a master sorcerer in modern-day Manhattan trying to defend the city from his arch-nemesis, Maxim Horvath. Balthazar can't do it alone, so he recruits Dave Stutler, a seemingly average guy who demonstrates hidden potential, as his reluctant protégé. The sorcerer gives his unwilling accomplice a crash course in the art and science of magic, and together, these unlikely partners work to stop the forces of darkness.

Falling in love is tricky for teens Juliette and Calliope: One's a vampire, the other's a vampire hunter — and both are ready to make their first kill.