An unwanted explosion caused by children playing has a major impact on the London borough of Pimlico. As a result, a parchment signed by King Edward IV is discovered, proving that their district is actually an enclave of the Duchy of Burgundy, which had lost its autonomy since 1482. As a result, the inhabitants declare their independence from the United Kingdom and become a micronation. In order to regain control of this delicate situation in the middle of the capital, Her Majesty's government is making life difficult for them - but the resistance is forming ...