Winter is here, and the duke is enjoying his time in the snow with his maid, Alice, and butler, Rob. But much to his surprise, they're joined by sudden guests: Cuff and Zain, a witch and a mage. The duke is welcoming to the pair, despite his past history with magic, and they repay his kindness with an offer... Come with them to the Witches' Sabbath to look for clues about the duke's curse.