Embarking on a luxurious voyage aboard the Campania, Ciel and his demon butler, Sebastian, delve into the enigmatic Aurora Society's resurrection rumors. Their covert mission unravels when they witness a woman miraculously brought back to life. However, awe swiftly transforms into horror as the resurrected woman turns violent. Surrounded by numerous undead threats, Ciel and Sebastian face a daunting challenge. To complicate matters, the flamboyant reaper Grell and his ally, Ronald Knox, obstruct their investigation. Racing against time, the duo must unravel the secrets of this necromantic plot before it's too late. As they confront a legion of flesh-hungry corpses, a sinister mastermind lurks in the shadows, awaiting their discovery.