As Poppy and Branch live their new lives married, they reunite with poppy's other sister + their childhood friend "Mixy"!! (Who's named the most traumatized troll-) She's been on a run from a huge worldwide army "trollnation" ever since she was 5..!! Turns out they've put her band mates from a famous girl pop band"Swords and Harmony" who were called "Nova and Willow" in a trance from trollnation to become their new leaders and kill mixy and the 4 celestials who are the only ones who can stop them. Now Mixy, Poppy, and Branch go on the BIGGEST adventure they ever had + new friends joining them.. they now have to save brozone and viva plus finding the celestials to save the world.. or so they think they have to find them..