The narrative of ‘CHRISTMAS SLAY’ unfolds on a chilly Christmas Eve in the charming Kentish countryside, where a loving family is brutally murdered, leading to the arrest of a killer with a disturbing Santa Claus fixation. As the next Christmas season approaches, a group of college friends seeks a break from their routine, opting to unwind and celebrate the holiday season. They choose the serene Mistletoe Lodge, nestled amidst the stunning snowy peaks of the Scottish Highlands, as their retreat. What begins as an ideal festive escape filled with snowy fun and a few glasses of eggnog quickly spirals into a horrifying bloodbath, forcing them into a desperate struggle for survival.