Xu Jie was invited by Li Gongming, a partner of Mingtang Law Firm, to become an intern lawyer at the firm, and her main task was to find out the bribery case of Chen Wenguang, another partner of the law firm, for Li Gongming. Xu Jie was assigned to the legal aid department and became a colleague with Chen Ran, who was Chen Wenguang's daughter. Chen Ran had been secretly investigating since her father was imprisoned. After Xu Jie came to the firm, the two lawyers with different ideas gradually went from acquaintance to understanding. With the successful resolution of one entrusted case after another, the two became confidants and trusted each other. As the investigation continued to deepen, Chen Ran discovered the real reason why Xu Jie came to the firm, and this workplace friendship seemed to have turned into a conspiracy. The constant accidents in the law firm tied the fate of the two people together. The two joined forces to explore the facts, find out the truth about Chen Wenguang's bribery case, and help Mingtang Law Firm out of its predicament.