While Alucard is trapped aboard an aircraft carrier, London is plagued by a gruesome vampire onslaught. Elsewhere, Integra narrowly escapes a horde of Nazi vampires.

The Vatican’s formidable combat unit is mobilized in preparation for battle. Back in the heart of London, the Hellsing Mansion is attacked, and the Wild Geese represent the last line of defense against the undead.

When her memories are violated, Seras becomes trapped in an illusion which forces her to relive the most horrifying moments of her life. Upon waking from the nightmare, the real pain begins as the battle nears its end.