A teen in 2024 accidentally time-travels to 2003, days before a masked killer murders her sister. Can she change the past without destroying the future?

When an American family is invited to spend the weekend at the idyllic country estate of a charming British family they befriended on vacation, what begins as a dream holiday…

Four very different schoolgirls are thrown together in detention. As they plan their escape, the situation spirals out of control.