In front of the members of the organization, she plays the role of a law-abiding newcomer. In front of the boss brother, she pretends to be a loyal confidant. In front of her allies, she is just an executor with no opinions. When she is alone, she plans a mysterious plan and never tells anyone about it. Her life experience is shrouded in mystery. Everyone who knows her only knows one side of her. Who is her enemy and whose friend?