It seems that Sophie's birthday will turn into a day of blood because of the monsters. That story began when Sophie's 18th birthday turned into a bloody bathroom when the monsters came to her house and began to devour the party guests horribly. Everyone seems to be scared, but Sophie and her friends must gather to return to the hell party that might change things.
transforms its coming of age tropes into an icky Eighties-style gorefest, conjuring the spirit of Evil Dead II with its own comic diabolism, its practical effects, its Necronomicon-like book of the title, and its hidden toolshed
The effects are good, and the monster designs are legitimate, but it seems that all the work went into making Book of Monsters look interesting. Unfortunately, beneath the surface, it's revealed that the film is nothing but a thin veneer.
