Modern wage slave Su Xiaohe transmigrates into a medical maid of a marquis mansion. Her inner monologues can be heard by the marquis, madam and old lady. With her complaint-based mind reading, she foils the schemes of the concubine son Shen Yi. Her savior Shen Qinglan turns out to be the marquis’s long-lost legitimate heir gone for eighteen years. She helps him reclaim his birthright, devises epidemic controls to save countless refugees, earns the title Lady Huixin and freedom from servitude, then marries Shen Qinglan for a win in both love and career.
