Dante and his friends are invited by Rob & Adrian (Rob's Grandfather) to take a vacation in a ancient sea city, where a pirate battle once took place, but the vacation does not last long. Residents receive urgent news, a villain & pirate Captain Brightbeard officially declared the war, along with pirate assistants. And now he wants to take over all the the Skylands & Seaport city with using a new powerful sword found from a Chest of Exile. Portal Masters must stop the pirate war, and destroy the powerful pirate sword. However, they don't even expect what events they will encounter this time.
