In "Trolls Band Together," the colorful and musical Trolls embark on a new adventure as they reunite with old friends and discover the power of music and friendship. The story follows Poppy, Branch, and their friends as they face a new threat that jeopardizes their world. They must band together, using their unique talents and strength in numbers to save their realm and rediscover what makes them special. Along the way, they learn valuable lessons about unity, love, and the magic of being true to oneself.