M3GAN is a marvel of artificial intelligence, a lifelike doll that's programmed to be a child's greatest companion and a parent's greatest ally. Designed by Gemma, a brilliant roboticist, M3GAN can listen, watch and learn as it plays the role of friend and teacher, playmate and protector. When Gemma becomes the unexpected caretaker of her 8-year-old niece, she decides to give the girl an M3GAN prototype, a decision that leads to unimaginable consequences....

Evan values family above all else, and anyone who gets between him, his wife, and newborn son learns that the hard way. But when it comes to violent tendencies, it seems the apple doesn't fall far from the tree.

Hawthorne College is quieting down for the holidays. But as Riley Stone and her Mu Kappa Epsilon sisters prepare to deck the halls with a series of seasonal parties, a black-masked stalker begins killing sorority women one by one.