The situation on the Baltic Sea is about to go from bad to worse as piracy takes hold. The Dukes of Mecklenburg assemble a giant fleet to try and keep Stockholm resupplied and terrorise all merchants foolish enough to risk a voyage on the water. It gets so bad that even the Dutch and the English are annoyed! Just like 100 years previously, icy water plays its part in naval combat, and two sides finally sit down to discuss peace.