The Hansen kids are in a jam. Adam and his best friend Duffy have gotten their hands on some tickets for the Headless Horseman concert, and his sister Chelsea has a date with her dreamy boyfriend Peter. The only problem is they`re both grounded. Chelsea and Adam will do whatever it takes to get their mom Lynette out of the house, even if it includes a chance meeting with a very mysterious man. Everything seems to go according to plan until their little brother Taylor realizes that this stranger might be a vampire.