A child of a young married couple has died and they struggle to handle the grief of the death. Both of them seeking therapy together to try and work as a team decide to skip their appointment and go on a spontaneous mini vacation. As they travel on a remote highway an accident occurs with another car, leaving the two couples unharmed but without transportation. As it is getting dark, the couples find an old mansion to take refuge in for the evening by the owner. This mansion has a secret that leaves them fighting to stay alive until morning.