A young American woman takes a job as a nanny in a remote English village, soon discovering that the family's eight-year-old son is a life-sized doll that comes with a list of strict rules.
When danger threatens her camp, the fierce and highly skilled Comanche warrior Naru sets out to protect her people. But the prey she stalks turns out to be a highly evolved alien predator with a technically advanced arsenal.
After a family moves into the Heelshire Mansion, their young son soon makes friends with a life-like doll called Brahms.