Detective Ji Bai and new criminal profiler Xu Xu may seem like an awkward teacher-student pair at first glance, yet they are actually the best partners in the police force, solving one crime after another. Ji Bai slowly falls in love with Xu Xu, yet she is a girl who is as slow as a snail when it comes to love. Just as Xu Xu starts to reciprocate Ji Bai's feelings, the dormant "Angel's Killer" reappears.

During a turbulent time from 1915 to 1921, Chen Du Xiu and Li Da Zhao, along with other like-minded individuals, founded the Magazine La Jeunesse that started the New Culture Movement. The magazine promoted science and democracy and revolutionized the thinking of the masses and encouraged them to fight against imperialism that has been ingrained in everyone. The series follows a colorful cast with various well-known authors, politicians, and revolutionists as they all try in their own way to save their country.

A story revolving around the crises in the public relations industry and the people whose lives intertwine because of it. Lin Zhong Shuo switched from an entertainment reporter to work at a PR firm. Tasked with sensitive and difficult-to-handle situations, he manages to avert crisis by playing his cards right. He helps his boss face off against his toughest enemy. He left the entertainment industry after an incident wherein he misreported the news. Innocent people got hurt and he has been blaming himself. He tries to make amends and atone for the mistakes of the past. He has two important women in his life - Yuan Wei and Xu Wen Wen. Through his journey, he gradually comes to realize who he truly loves.

Renhe Hospital nurse Zhang Shumei is forced to resign after being suspected of accidentally killing a patient. Zhang Shumei’s 4 year old daughter is abducted, and she herself dies in a car accident a couple of years later. 30 years later, Zhang Shumei’s son Zhuang Shu returns to the hospital as a surgeon who is intent on unraveling the secret behind his family’s misfortune.