After a group of criminals kidnap the ballerina daughter of a powerful underworld figure, they retreat to an isolated mansion, unaware that they’re locked inside with no normal little girl.
M3GAN is a lifelike doll that’s programmed to be a child’s greatest companion. 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.