In the well-known domestic law firm "Mingchuan", young partner Tang Yiran and senior lawyer Zhong Yunlan were accidentally involved in a power struggle among the top management of the law firm in a landmark case that intertwined civil and criminal matters and involved multiple forces. At the same time, a group of young lawyers, including Shen Xu and intern Ke Xuan, continue to impact the old rules and network system. Mo Xiaohan, a rival law firm elite, sometimes confronts and sometimes cooperates with them due to personal grudges and interest checks. There are both warm friendships and betrayal games among the characters. Along with humorous and witty daily life and shocking reversal cases, everyone continues to grow under the multiple pulls of ethics, conscience and interests. They seek redemption and introspection at the fork of interests and principles, and finally face the choice of their own destiny.