Hiccup and the gang are invited to Berserker island by Daggur, only to find their dragons acting strange on the island. So when they are attacked by dragon hunters, the gang has to take them on alone, without their dragons.
Hiccup and the gang are invited to Berserker island by Daggur, only to find their dragons acting strange on the island. So when they are attacked by dragon hunters, the gang has to take them on alone, without their dragons.