Hundreds of years ago, vampire Wayne Gretzky (Adam Johnson) fell in love with a beautiful human girl Mary (Julie Gonzalo), but accidentally bit her to death, and he lost his ability to suck blood. In contemporary society, Gretzky teaches at Hawthorne University as a history teacher. He is humorous and behaves strangely, and is loved by students. Only Principal Levin (Gary Cole) knows his secret and tries to provide psychological counseling for him. On this day, the beautiful girl Chris (Julie Gonzalo) appears in front of Gretzky, allowing the vampire to regain his long-lost ability. It turns out that Chris looks exactly like Mary, and her true identity shocks Gretzky even more. After the dry firewood and the fire, there is a vampire event that is out of control. Chris's childhood sweetheart Fred (Maclain Nelson) and his good friend Tom (Matt Mattson), as well as the dusty Gretzky, must clean up the bloody mess as soon as possible...