The Turner family and friends return Cam steals mum Dora's favourite date, announcing she's holding a joint Christmas Day/Engagement Party with a buffet and no tree. Beth and Leo secretly plot to propose to each other during dessert. Brother Tyler intends to Vlog the event for his channel but is annoyed he has to share his birthday once again with Christmas. That's the plan. But Dora is manipulating everyone and causing chaos via an Elf on the Shelf...