After a mysterious, lost night on their honeymoon, a newlywed couple finds themselves dealing with an earlier-than-planned pregnancy.
While recording everything for posterity, the husband begins to notice odd behavior in his wife that they initially write off to nerves.
As the months pass, it becomes evident that the dark changes to her body and mind have a much more sinister origin.
In a series of posts on his official Twitter account, director Eli Roth wrote "Don't pre-judge Devil's Due because Rosemary's Baby is a 'holy grail' movie. It's so smart, creative, inventive, and fun. Very very scary. The guys at Radio Silence killed it. Devil's Due is a legit scary, smart, horror film. So many awesome scenes. I loved it."