On the planet Mir - the imperial XIX century, the era of armored cars and airships. The fateful year of the Confrontation has come. Once again, the skies are split by the roar of falling dark stars - alien ships, packed with cruel warriors, terrible weapons and unprecedented equipment, fly from the red planet to the World. The war brought the Double Empire to the brink of crisis. The Prince of the Blue Dynasty wants to unify the power; to do this, he needs to seize power and marry the princess of the Red Kingdom. A military coup is close.