An English school teacher outposted in Africa has a run in with the local witch doctor and suffers a nervous breakdown. After recovering back in England she takes a job teaching in a small country town hoping to make a new start for herself. All goes well at first, until she starts to hear some disturbing stories about the town. She soon discovers the town is home to a coven of witches and they plan to sacrifice a local girl in one of their rituals.
Big Baby tells the story of Adam Lewis, a successful horror screenwriter struggling for inspiration for his latest script. After a graphic and realistic nightmare of a hulking man dressed in a baby mask and onesie who axe murders his girlfriend Kate in the middle of the night, Adam gets the inspiration he needs for his new screenplay. Excited about the direction his story is taking, he starts losing himself in his script. Things are better than ever for Adam and Kate until “Big Baby” starts appearing in real life and tormenting and killing victims fueled by his own revenge. Characters from Adam’s script begin to pay him visits pleading for their lives, and he quickly realizes he holds their fate in his hands. Power and fear completely consume Adam until his girlfriend Kate is terrified of the man she once loved.