Zuzu Chandler, an orphan raised on Tidefall Island who possesses extraordinary supernatural strength, is unexpectedly drawn into an old royal case that has been sealed away for many years. Carrying a heavy black hammer, she leaves Tidefall Island and steps into the treacherous imperial court of the capital, advancing step by step amid conspiracies, frame-ups, and bloody battles. While searching for the truth of her own background, she also defends the border soldiers and civilians. Court power struggles and bloody border battles come one after another, and she adheres to her original heart through suffering, weathering countless storms.