The Davisons, an upper-class family, are extremely wealthy -- but also estranged. In an attempt to mend their broken family ties, Aubrey & Paul Davison decide to celebrate their wedding anniversary by inviting their four children and their children's significant others to their weekend estate. The celebration gets off to a rocky start, but when crossbow-wielding assailants in animal masks suddenly attack, the Davisons must pull together or die.
