The Children (2008)

In the movie 'The Children' (2008), a family gathering at a remote country house during the Christmas holiday turns into a nightmare when a mysterious virus begins infecting the children, turning them into violent creatures. The parents must fight to survive against their own possessed offspring as the situation spirals out of control. The film explores themes of family, survival, and the primal instinct to protect loved ones in the face of unimaginable horror.