In Shanghai, ordinary white-collar Li Xinyue spends tens of millions buying a painting called "Baby" painted by Chu Hongfei in an auction. This strange behavior attracts the attention of the police and she is followed by undercover policeman Jin Xiaotian like a shadow. The two of them get on the live tour car of Chu Hongfei's son Chu Zhihan's entrepreneurial project, and drive to the Xinyue’s hometown of Shangri-La. On the journey, Xinyue falls in love with Xiaotian, who has always protected her, but Xiaotian cannot confess his identity as undercover police. In order to protect the painting called "Baby", Xinyue is kidnapped by a drug cartel and Xiaotian rescues her alone. After the test of life and death, Xiaotian finally confesses his love to Xinyue, and they vowed to live and die together. When all the evil co-directed by the drug cartel and Chu Hongfei is disclosed, Xinyue seeks justice for her painter father and Xiaotian also successfully completes the task and grows into an excellent policeman.

Dai Meng, a genius micro-reaction analysis expert, resigns due to a working mistakes and opens a firm to "settle" various incidents for others, such as privately assisting clients in resolving emotional, debt, and workplace disputes. Except for criminal cases, as long as the cases are not illegal, he picks up everything. Dai Meng relies on his technical expertise in micro-reaction psychoanalysis to make his business prosperous. During a business trip, Dai Meng meets Liao Duoduo, the "Lolita Expert", and they immediately start a battle. Dai Meng wins in the end but has to incorporate Liao Duoduo into his office to solve her livelihood. Dai Meng, Liao Duoduo, and assistant Hua Sheng form a three-person team to jointly handle various commissions, and help the client expose the lies and reveal the truth. However, what Dai Meng doesn’t not expect was that Liao Duoduo approaches him for other purposes, and Hua Sheng, his trusted assistant also conceals information from him. They are all related to Dai Meng's working mistakes of the year! Dai Meng returns to his former work unit and restarts the investigation. With the help of colleagues and friends, he finally clarifies the truth, defends his professional philosophy, and restores the relationship between the trio.

Shen Xinwei is a promising scholar in North American academic circles. He is upright and insist on justice, when framed by others, he returns to China to seek another development. Unexpectedly, when he returns to China, he is in more trouble, even his life becomes a problem. Na Na, a white-collar worker, has just married with Lu Kai abroad, but learns that the Lu Kai’s family is about to marry the Xu family in China. However, Na Na finds out that she is pregnant. By coincidence, Shen Xinwei gets acquainted with Na Na. Na Na makes up her mind to be a strong single mother, and Shen Xinwei takes the initiative to become her Mr Nanny. From confrontation to understanding, Shen Xinwei and Na Na finally fall in love with each other. Shen Xinwei also puts aside the "academic persistence" and finds a new career direction from Na Na and the child.