Jupiter Summers finds herself juggling more than festive cheer when her quiet routine is turned upside down by her free-spirited sister, Dream, who returns home engaged and planning a whirlwind wedding. While Dream buzzes with excitement, Jupiter, Robbie, and Stella are facing holiday chaos of their own. With tangled lights, tangled emotions, and one big Christmas Eve event ahead, it's anyone's guess what, if anything, will go to plan.
