In 2015, Beijing successfully bid to host the 2022 Winter Olympics. In response to the national "Arctic-South Expansion" strategy, Zheng Kaixin, a former member of the national short-track speed skating team, took the lead in finding the Qingdao speed skating team and began to discover new talents in ice and snow sports. Chen Mian, a roller skating girl, took the initiative to join the Qingdao short-track speed skating team out of her love for short-track speed skating. From a non-professional player to a main player of the Qingdao team, he entered the national team and finally gained the recognition of his father Chen Jingye, who had always been unfavorable to him. Unexpectedly, Chen Jingye and Zheng Kaixin were once close comrades in the national team. They once spent their youth and sweat together to win glory for the country, but they parted ways because they were burdened with too heavy pressure to win gold.

The drama takes place in republican era China in Hengshan Hospital, centered primarily on the conflict between the Communist Party and the KMT in 1930s Shanghai. Ma Tian Ming is a faithless, greedy, and selfish man who makes his living by cheating and lying. A coincidental accident drags Ma Tian Ming into a case in which he becomes the suspect. Trying to escape, he impersonated the chief doctor of Hengshan Hospital, Cai Li Kun. However, Ma Tian Ming soon found out that Cai Li Kun is a member of the underground Communist Party.

A middle school teacher quits her job to come to Beijing as she is about to marry her fiancee. In order to make some money, she becomes a tutor for the bookseller's daughter. Ma Lie Wen sells books for a living. Out of a strong sense of responsibility, he chooses to continue taking care of his ex-wife Wang Yi Ru who suffers from bipolar disorder. The arrival of family tutor Jian Dan brings him a touch of comfort. Jian Dan was originally a middle school teacher. She quit teaching in order to marry her fiancee Feng Chun Sheng only to be betrayed by him. Ma Li Wen advises Jian Dan not to compromise when it comes to marriage. The two go on to develop inexplicable feelings for each other, yet they never cross the line due to Ma Lie Wen's complicated situation. At this time, Ma Lie Wen's ex-wife fully recovers and wants to get back together again. Ma Lie Wen is faced with tough choices between responsibility, love and a precarious career.

The fourth installment of the 'Little' franchise that focuses on the topics of divorce and remarriage, and finding love and happiness again with a new family.

The play tells the story of the Yanxi Hospital doctor Xu Qingfeng on the voyage back from studying abroad, and the captain Guan Yuqing, because of tacit cooperation in helping patients, found that each other's family had hard-to-recited sutras.