The Trolls, led by their king, King Peppy, with his baby daughter, Princess Poppy, escape through underground tunnels on the day of Trollstice, when Prince Gristle Jr. was going to eat his first Troll.
Namun, Troll, yang dipimpin oleh Raja Peppy mereka, dengan bayi perempuannya, Putri Poppy, melarikan diri melalui terowongan bawah tanah pada hari ketika Pangeran Gristle Jr muda akan makan Troll pertamanya.