Clyde longs for nothing more than to be free and play outside with other kids. However, his abusive parents have other plans for him, keeping him locked up in the downstairs closet for long stretches of time. As Clyde endures this hellish existence, he discovers a malevolent presence lurking in the back of the closet. With each passing day, the presence becomes more and more dangerous, threatening not only Clyde's life but also those of his cruel and abusive parents. Clyde knows that he must find a way to escape before it's too late, but his captors will do anything to keep him locked up.