In 1801, Nelson sails to the Baltic under Admiral Sir Hyde Parker to break up the newly-formed ‘League of Armed Neutrality’. At Copenhagen, his objectives are simple: destroy the Danish fleet and threaten the city with bombardment. But as Nelson takes on the Danish navy under the guns of the enemy’s capital, the unfolding battle is far from straightforward. Formidable defences and heroic Danish sailors will push the British to the limit in a tense, explosive and bloody contest.