Lin Shaoming started his career in a well-known urban law firm, where he met Song Xueyao, a calm and capable female partner, and Zhou Zhiyuan, a cynical but upright legal officer. While handling a series of major cases, the protagonists face the test of the boundaries of law and ethics, and the separation and combination of friendship and intrigue. Cheng Jiahe continues to promote the progress of the case as an investigative reporter, while Gao Jun uses gray means to challenge the legal bottom line. As the events unfolded layer by layer, Lin Shaoming and others fell into the whirlpool of ideals and reality, conscience and interests, friendship and betrayal. After several periods of crisis and reflection, everyone grew up, reflected on themselves, and each of them ushered in redemption. At the end, they also ushered in the hope of reshaping the ethics of the legal industry.