In his previous life, Yi Yingjie was an unlucky guy who was plotted against by his family. He should have been a good young man with a bright future, but in the end he was imprisoned, disfigured, and died with his enemies.
When he woke up again, he came to the world of Siheyuan and was bound to the Pinxixi system. The system told him that he could protect the people he wanted to protect in this world, so he embarked on a journey of redemption.
His original intention was to find his childhood mother through the system, but his first task was to find his biological father, Yi Zhonghai, Liu Haizhong, Xu Fugui, and Factory Manager Yang. Who is the biological father?