"Trolls World Tour" is an animated film that follows the adventures of the colorful Trolls as they discover that there are different music genres in their world. The main characters, Poppy and Branch, embark on a journey to unite the various Troll tribes, each representing a unique style of music, such as rock, classical, and country. As they travel, they encounter challenges and conflicts, particularly with the Rock Trolls, led by the villainous Queen Barb, who wants to eliminate all other music styles. The film emphasizes themes of unity, diversity, and the importance of embracing different cultures through music.