Modern suspense writer Jiang Yanyan died suddenly and traveled through time. She was bound to the villain system and was forced to carry out sabotage from Monday to Friday and secretly solve crimes on Saturdays and Sundays. When the cold-faced prince sees through all her little tricks but doesn't reveal them, a joyful enemy drama of "pretending to be a villain" and "pretending not to know" unfolds hilariously amid bizarre murders and secret battles in the court.