Jeongchereul Sumgin Seobeunamjuege Jalmot Geollyeotda

Mary Siringa seeks employment after acknowledging her past as a self-centered burden. She meets Prince Grandiel, who is in disguise as Nepenthes. Impressed by her, he offers her a position as a palace maid and requests her help as a spy. The arrangement includes a magical contract with strict conditions. Mary must conceal Grandiel's true identity and follow the contract's rules, or face a fatal consequence. She must navigate her new role while keeping secrets and managing the risks involved.