A brilliant toy company roboticist uses artificial intelligence to develop M3GAN, a life-like doll programmed to emotionally bond with her newly orphaned niece. But when the doll's programming works too well, she becomes overprotective of her new friend with terrifying results.
Munro, a soldier turned lay preacher, comes to New Zealand to minister to the first British colonists, but he is converted by the powerful chief Maianui to serve a different purpose.
Two women run a business breaking up couples for cash but when one develops a conscience their friendship unravels.