Ren Haoming thinks it's Ruan Qingtian's mother who stole his mother's design and then killed his mother. So he asks Ruan Qingtian to be his nanny for one year to repay her mother's debts. He also marries her based on a contract, so as to take more revenge on her. However, during further investigation, he finds that the murderer is someone else. At that time, Ruan Qingtian gets pregnant with his child and prepares to get rid of his imprisonment.
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