Fed up taking care of everyone's needs but her own, writer, wife and mom Annie discovers a tiny door in her closet that leads to what appears to be a better version of her life: a sweet and perfect doppelganger of her husband, well-behaved and helpful kids, a writing mentor who lives next door. But as this "Closet" family begins to reveal their flaws, Annie's place in this new world is challenged by the Closet version of herself.

On the night before graduation, three reckless teens stumble upon mysterious lights in the sky and encounter more polished versions of themselves, forcing them into a game that tests their guilt, identity, and individual desires to grow up.