This third installment of the Trolls franchise finds friends Poppy and Branch as a couple. But as they get to know each other more, it is revealed that Branch was a member of the old popular boyband BroZone when he was younger. Not only that, but the group members are his real-life brothers to boot. However, when they disbanded, Branch never saw his boyband brothers again until his brother Floyd is kidnapped. Branch mobilizes his family for the rescue.