Dr. Jack Hammond has best chances to become medical superintendent in the clinic. So he's completely absorbed in his work and has no understanding for his teenage son Chris' problems with school. By accident one of them drinks a brain-exchanging serum, and it switches their identities. This leads of course to extraordinary complications in school and at work, but also to insight in the problems and feelings of each other.

L.A. real estate agent Kate Wooten gets a new lease on life when she learns that her new client, a mysterious and handsome man named Vlad, is looking for a house isolated in the Hollywood Hills where he wants to live and doesn't want to be disturbed. It doesn't take long for Kate to fall in love with her new client and to learn that he's a real vampire.