An injured wolf pup and an abandoned baby appear at the doorstep of a couple’s home near the woods. The couple decides to take them in, but little did they know that the wolf was actually a werewolf, and the baby a vampire! Despite their shocked human parents, Greta the werewolf and Vincent the vampire had a blissful upbringing. However, as Greta and Vincent grow older, their quiet, peaceful lives are threatened as they discover the secret world of witches, vampires, and werewolves.