She already helped to instill a (probably healthy) fear of attending dinner parties thrown by your weird ex in viewers of The Invitation, and now director Karyn Kusama is out to make people feel vaguely unsettled by children, too. That news comes courtesy of Variety, which reports that Kusama has signed on to direct a horror film called Breed for 20th Century Fox. Based on a novel by Chase Novak, Breed follows the general creepy-kid template set by Rosemary’s Baby and The Omen to tell the story of a wealthy Manhattan couple whose trip to an experimental Eastern European fertility clinic is successful—but at a cost. It’s not until 10 years after the procedure that the true consequences of the treatment become clear, however.