Xu Rulin, an experienced criminal prosecutor in Wuyan City, met with the young and energetic lawyer Luo Xun during a trial, and thus formed an enemy relationship between the two.This current strong enemy was once an assistant prosecutor under Xu Rulin. In order to prove his ability, he wanted to compete with his master Xu Rulin in court.The two began to fight repeatedly in different cases, and repeatedly stood opposite each other due to differences in positions between prosecutors and lawyers. Inspired by Xu Rulin, Luo Xun gradually adjusted his mentality and looked back on his original intention. Finally, the secondPeople have different paths because of their pursuit of justice.A pair of masters and apprentices interpreted their understanding of the law from different positions and achieved the defense of justice. The two also changed from master-apprentice relationship to close lovers.