Queen Poppy is planning a "Secret Gift Exchange" for the entire Troll Kingdom. Things take an unexpected turn when both Poppy and Branch end up drawing each other’s names! Both Trolls are at a loss: what do you get for the most important person in the world when it’s the holiday season, and the pressure is on? Meanwhile – Tiny Diamond comes down with a bad case of writer's block, trying to think of a Holiday rap for his Dad. Will he be able to think of a rhyme in time for Poppy’s Gift Exchange Extravaganza?