ROOM “This eggshell necklace is a Salmonella nightmare.”
  • ROOM “This eggshell necklace is a Salmonella nightmare.”

Room begins with a ripped-from-the-tabloids premise, then systematically rejects every bit of conventional wisdom regarding how that premise might unfold. The headlines write themselves: "Shed Boy's Daring Escape," perhaps, or "Captive Teen Mom Risks Everything to Save Rape Baby."

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These headlines are accurate, technically: Room is about a boy who is born in the garden shed where his mother, "Ma" (Brie Larson), has been kept captive for seven years, ever since she was abducted at age 17. Five-year-old Jack (Jacob Tremblay) has never seen the world outside of the shed—he doesn't even know such a world exists—and when Ma decides Jack is finally old enough to help carry out an escape attempt, the plan she concocts is dangerous and thrilling.