On the day when nanny Zhang Xinlan resigned, she handed Su Qin a note: "What you take every day is not vitamins, run!" Su Qin realized that her perfect husband Zhou Cheng, who supervised her taking vitamins every day, might have another side that no one knew about. She secretly stopped taking the pills and her health miraculously improved. When she tried to investigate, she fell into deeper confusion. The test report showed that the pills were just ordinary vitamins. The new hourly worker was instructed by her husband to add medicinal powder to the soup. The nanny Zhang accidentally lost contact. While pretending to be obedient, Su Qin secretly investigated and got closer to the truth step by step - what terrible secrets were hidden in her husband's locked drawer?