In an unexpected twist to their family vacation, two young siblings, Becca and Tyler, decide to spend a week with their grandparents, whom they have never met. Hoping to explore their roots and capture their experience in a documentary, the kids embark on an emotion-filled journey. However, what begins as a charming family reunion soon turns into a series of unsettling events.
As Becca and Tyler start to document their days with their grandparents, they realize that something strange is happening in the country house. The elderly couple is kind and affectionate, but their behaviors become increasingly odd and disturbing. From strange restrictions at mealtimes to unsettling nighttime behaviors, the siblings find themselves caught in a mystery game. Tension mounts as a series of disturbing revelations calls into question the teenagers' perception of reality.
As the nights grow more terrifying and their grandparents' behavior raises red flags, Becca and Tyler must uncover what lies hidden behind the facade of what seems to be a sweet visit. Laughter turns into screams, and innocence transforms into terror, forcing the siblings to confront unimaginable horror that they never expected from their own family. Will they manage to escape this nightmare before it’s too late?