Mila Starr is the supernatural only child of billionaire and scientific genius Madoc and his wife Marlene. It is this baby who makes a stir on the happy day of Baba Yaga and the hunchbacked butler Renfield, who are preparing for their own wedding by kidnapping the bride and groom. Now the Fishbone family will have to turn into a vampire, a mummy, a werewolf and Frankenstein again in order to save newly-made relatives from the hands of a girl who, by order of her parents, kidnaps immortal creatures around the world.
At powerful Dracula's will all family Uishboun faces "monstrichesky" problems: mother turns into the vampire, the father — into Frankenstein, and their children — into a mummy and the werewolf. Now they have to rally to defeat the lord of darkness and again to become not only people, but also a close-knit family.