Xue Yuan, who is in the killer organization, plans to leave the organization because she misses her dead boyfriend. In order to complete the last mission, she meets the Situ family, which is powerful in both the black and white circles. As Situ Qingyu slowly approaches, she slowly falls in love with Situ Qingyu. But she discovered that Yi Chong, whom she had been longing for, was Situ Qingyu's twin brother. After marrying Situ Qingyu, he discovered that his boss was the one who killed his whole family.
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