Qian Heng --- Chen Xing Xu
Qian Heng is the founder of Junheng Law Firm and also a top-notch lawyer in the industry. He always maintains rational thinking and has a cold and ruthless personality. He is known for his sharp tongue and people often refer to him as the "toxic tumor" of the industry. However, beneath his seemingly arrogant and domineering exterior, he actually harbors a heart that is gentler than anyone else's. After an accident, he mistakenly believes that Cheng Yao has feelings for him. From initially resisting those feelings to gradually strategizing to win her over, he is gradually moved by the girl's efforts and sincerity.
Cheng Yao --- Zhang Ruo Nan
Cheng Yao, a rookie lawyer with an optimistic mindset, is not afraid of hard work and won't easily be discouraged by setbacks and difficulties. Occasionally, she may become overconfident and timid at the same time. On her first day at work, she is assigned to Qian Heng's team. Despite being somewhat timid by nature, she faces the boss's grueling training with a passionate and optimistic attitude, and puts in double the effort to confront the challenges. Through a series of rigorous training, she shines and earns Qian Heng's respect, gradually growing into a capable lawyer who can hold her own.
Cheng Xi --- Chen Xiao Yun
Cheng Xi, a public interest lawyer, excels in the legal field, and her professional competence and work ethic make her a standout in the industry. However, she encounters infidelity and betrayal in her marriage, as her husband Deng Ming takes advantage of her, ultimately leading to her being falsely accused of having an affair. With the help of her sister Cheng Yao, she successfully clears her name and is moved by the sincerity of Wu Jun. They establish a new emotional relationship, and Cheng Xi is able to start a new, happy life.
Wu Jun --- Li Jun Xian
Wu Jun, a partner at Junheng Law Firm, is a close friend of Qian Heng and a well-coordinated business partner. In the eyes of others, Wu Jun is seen as a carefree playboy who dallies with different romantic partners. However, he remains faithful and devoted to the woman he loves. Despite this, Cheng Xi has been preoccupied with her divorce case and has no intention of starting a new life. Eventually, with the assistance of Qian Heng, Cheng Yao, and others, Wu Jun successfully uses sincerity to win over Cheng Xi and melt her heart.
Bao Rui --- He Wen Jun
Yu Fei --- Li Dian Zun
Tan Ying --- Chen Hao Lan
Tan Ying displays grace, empathy, shrewdness, and a sense of humor in the workplace, making her an outstanding colleague and mentor. She has the ability to perceive the truth behind matters, which further enhances her reputation. Her multiple acts of assistance towards Cheng Yao also demonstrate her kindness and willingness to help others. However, when it comes to her personal relationships, Tan Ying exhibits some self-doubt and hesitancy. She has deep feelings for Wu Jun but has been lacking the courage to confess her love due to fear of rejection.