On Christmas Eve, a husband and wife, each hiding a deadly secret, unknowingly choose the same night to execute their sinister plans to kill one another. What begins as a night of deceit and betrayal spirals into a chaotic whirlwind of mix-ups and mayhem. As their dark intentions clash, their carefully laid schemes unravel in the most unexpected and horrific ways, turning the holiday into a thrilling, murderous game of cat and mouse.