Su Jin is the adopted daughter of the Su family. She fell in love with Mu Bai when she was young. Mu Bai initially promised to get married when she graduated from college, but later she married someone else. After Su Jinxin's death, she started going on a blind date and met the stern-looking Jin Hengyuan. When they met for the first time, Su Jin tried to scare Jin Hengyuan away and said she would get the certificate tomorrow if she could. Jin Hengyuan said he would go on a business trip tomorrow and would go in the afternoon to get the certificate, so the two of them got the certificate that afternoon. After marriage, Su Jin had a quiet personality. She had no objections to the situation of not having a house, having to eat on an AA basis, sleeping in separate beds, etc. She also didn't care about women pestering Jin Hengyuan. However, after being tricked into the police station, the conflict between the two broke out, and they began to face their feelings for each other.
