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The Holy Grail of Eris

  • 2026
  • Ended
  • Animation · Mystery · Sci-Fi & Fantasy
  • 1 season
  • 7.1/10

Betrayed by her fiancé's lover and sentenced to public execution, Constance Grail, a plain viscount's daughter known for her honesty, faces death—until a mysterious voice offers salvation. Scarlett Castiel, a noblewoman long thought dead, may be her only hope. Together, these unlikely allies uncover a dark conspiracy lurking in the heart of high society, where betrayal, secrets, and power collide.

Latest: Season 1 · 2026

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  1. E1. At the Grand Merillian

    Jan 8, 2026 · 23m

    Constance Grail attends a party only to find her fiancé kissing another woman and herself accused of a crime.

  2. E2. An Extraordinary Villainess and an Ordinary Girl

    Jan 15, 2026 · 23m

    The ghostly Scarlett demands that Constance repay her help by avenging her death.

  3. E3. Respective Answers and Beginnings

    Jan 22, 2026 · 23m

    Constance and Scarlett follow a tip to a masked ball with a sinister reputation.

  4. E4. The Silent Ladies' Tea Party

    Jan 29, 2026 · 23m

    Constance receives a summons from an investigative committee determined to put her on trial.

  5. E5. And the Cock Crows to Herald the Dawn

    Feb 5, 2026 · 23m

    Constance's carriage suffers a shocking attack and an even more shocking rescue.

  6. E6. The Command of the Goddess

    Feb 12, 2026 · 23m

    Both Constance and Randolph uncover fresh clues, but Lily's last message remains shrouded in mystery.

+6 more episodes — open all seasons to browse every episode.

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