Zhou Bingkun was imprisoned for the second time in 1989 for accidentally injuring Luo Shibin.Luo Shibin is Zheng Juan's ex-husband and Zhou Nan's biological father.Luo Shibin once raped Zheng Juan and killed Zheng Juan's father and brother.Luo Shibin was sentenced to death with a reprieve. He performed well in prison and got acquainted with the daughter of a wealthy businessman.After being released from prison, Luo Shibin did well and opened a company and became the boss.

After Luo Shibin turned over, he returned home in rich clothes and wanted to take back his only son Zhou Nan.Adoptive father Zhou Bingkun and biological father Luo Shibin competed for his son Nan Nan. During the fight between the two, Luo Shibin accidentally fell down from upstairs and became a vegetative state.Zhou Bingkun accidentally caused serious injuries and was found guilty of negligent injury and was sentenced to twelve years in prison.Zhou Bingkun was sentenced to fifteen years, but finally had three years reduced for good performance.