Hiccup and Heather evade them and end up near the island's port. Unaware they're now targeted, Toothless fires a single plasma blast to ward them off but has alerted all of the dragon hunters. While traversing through the markets, dragon hunters grow suspicious when he notices Hiccup's prosthetic.
Hiccup and Heather disguised themselves as the soldiers of the Defenders of the Wing. Hiccup and Heather therefore proceed to investigate the dragon hunters while the rest of the riders look after Snotlout's life.
Afterwards, Mala summons the Dragon Riders to Caldera Bay to inform the dragon hunters' presence in the Northern Markets but also reveals Snotlout to now undergo The Trials, a series of terrifying tests to prove him worthy of a King, after saving Mala's life. The stranger warns Mala to leave as the markets become increasingly dangerous before disappearing. Hostilities between them begin to break out, but is prevented when a mysterious hooded man reminds the dragon hunters of their foolish acts taking on Queen Mala. However, they have been all sold for by dragon hunters.
Mala and Throk seek to purchase the weapons from an iron mason at the Northern Markets. Snotlout attends the Defenders of the Wing King Trials.Shattermaster and a herd of Gronckles are rescued.Dagur is revealed to be alive and spying on the Dragon Hunters.When Mala and the Defenders of the Wing find the Northern Markets to be plagued with Dragon Hunters as well as a mysterious hooded man who saves them from a near-violent situation with the Hunters, Hiccup and Heather go to investigate.