Goodnight Mommy

In Goodnight Mommy, Elias and his twin brother Lukas arrive at their mother's house to find her face covered in bandages the result, she explains, of recent cosmetic surgery. Lukas delights in their mothers uncharacteristically lax house rules, but in Elias mind, a dreadful thought takes root: the sinking suspicion that this woman beneath the gauze, who's making their food and sleeping in the next room, isn't really their mother