"Opposites Mariah, a cynical makeup artist, and Ellie, a cheerful actress, clash on the set of a low-budget holiday film in Mariah's Canadian hometown. Forced to cooperate through summer heat and Christmas cheer, they bond over shared heartbreak when their flings turn out to be cheaters. Their prank-fueled revenge leads to unexpected romance, leaving them to wonder if their connection is just a fling--or something real."--