Jiang Shu, an overseas student, receives her friend's final call brimming with joy over a new tutor job. But her friend suddenly disappears, leaving a letter. Determined to find her, Jiang Shu takes the tutor job at a mysterious mansion under a pseudonym. There, she uncovers hidden truths and encounters her ex-boyfriend, Qin Dong, now the family doctor. As mysteries deepen, she must navigate betrayal, deceit, and a web of secrets to uncover the truth.