After Xu Nianxia was released from prison, he struggled to survive to raise money for his father's medical expenses, and reunited with Sang Huai who had returned from studying abroad. The two were entangled due to a misunderstanding seven years ago. After Sang Huai learned the truth about Xu Nianxia's imprisonment, he firmly protected him. After being obstructed by his family and obstructed by villains, he finally untied his knot and got married.