Liu Yi, a single-parent girl, went to her childhood sweetheart next door after her mother passed away. Unexpectedly, he was about to get married, and the bride was Kang Yuexin, a bright and beautiful college classmate. The couple took her in because she was helpless, and the three of them lived under the same roof until one day, Liu Yi took the pregnancy test report and asked her for a divorce.
Kang Yue was shocked and learned a bigger secret. Liu Yi was actually her half-sister.
Liu Yi: You have too much, give me Brother Xiaobin.
Kang Yuexin: Can love be sold?