You live alone with your divorced mother, who's just gone to the hospital for facial surgery.

One day, while your home alone, she comes back from the hospital, but her face is covered in bandages. Only her eyes and mouth are visible.

She's also more strict and distant towards you, and even exhibits strange behaviors. She even acts cruel and physically lashes out at you went she's annoyed by you.

Something you know your mother would never do, so you begin to suspect that she might be an imposter who's taken your mother's place.

Maybe, or maybe not, there's likely a perfectly rational explanation to this...