Perfect Mismatch – Lu Xiaoyu, Luo Zheng

Shi Huahua, who has been practicing martial arts and studying traditional Chinese medicine since childhood, left her hometown village of Shi's family and came to the big city alone. On the other side, Zhou Zhifei, the CEO of Feiran Capital, is preparing for a new product launch. As one of the heirs of the Zhou family, he is highly regarded by his grandfather Zhou Hongsheng. However, this time, Zhou Hongsheng wants Zhou Zhifei to find his ideal partner under the guise of the soon-to-be-announced spokesperson. In order to help her master deliver a letter to Zhou Hongsheng, Shi Huahua sneaked into the product launch and accidentally became the spokesperson for Feiran Capital. Although she disrupted the plan, her spectacular martial arts performance won the admiration of Zhou Hongsheng and the entire audience, but Zhou Zhifei remained skeptical of this girl.

Zhou Zhifei brought Shi Huahua back to the Zhou family's old mansion and discovered that Huahua was actually the apprentice of his grandfather's life-saving benefactor. When asked about her aspirations, Huahua hoped to make a name for herself in the city through her own hard work. With her grandfather's approval, she became Zhou Zhifei's assistant, but this turned out to be the beginning of Zhou Zhifei's nightmare. While full of enthusiasm, Shi Huahua had no understanding of urban survival rules and often did good things with bad results. She not only replaced Zhou Zhifei's coffee with Chinese medicine and water-washed his high-end suits, but also fought with an important client of Feiran, which enraged Zhou Zhifei. He decided to completely drive Shi Huahua out of Feiran.

Zhou Zhifei wanted his grandpa to send Shi Huahua away, but unexpectedly, grandpa promoted her to be a senior executive assistant to take care of Zhou Zhifei's health after learning about her behavior. Zhou Zhifei was forced to "accept treatment," and he swore to get rid of Shi Huahua. At first, Zhou Zhifei wanted to send Shi Huahua to university, but in reality, he was trying to drive her away. When Shi Huahua discovered his intention, he threatened her to compensate for the ruined suit if she didn't leave. Shi Huahua didn't give in, and Zhou Zhifei, angry and humiliated, forced her to sign the admission letter. In the struggle, Zhou Zhifei's arm was accidentally broken, and their relationship deteriorated even further.

Shi Huahua dragged Zhou Zhifei, who was in a miserable state, out of the company to get him treated. This made Zhou Zhifei lose face and harbor resentment toward her. During a meeting, Zhou Zhifei intentionally let Shi Huahua be the last speaker, hoping to force her to leave. Unexpectedly, her speech received unanimous praise. Shi Huahua helped Zhou Zhifei take care of his body, which completely disrupted his daily routine. So, he arranged an impossible task for her, but Shi Huahua was full of energy and even made herself some ginseng soup while working overtime. As a result, she had a nosebleed from overworking. When Zhou Zhifei saw her nosebleed, he fainted and woke up seeming like a different person.

Shi Huahua found out that Zhou Zhifei had turned into a child after waking up. She patiently comforted him, and they accidentally fell asleep in each other's arms. The next day, Zhou Zhifei woke up and was stunned. When confronted by Shi Huahua, Zhou Zhifei evaded her questions, which was misunderstood by his secretaries. Grandpa Zhou invited the Zhou family and Shi Huahua to have a meal together. Zhou Zhiran and Shi Huahua had a pleasant conversation and agreed to go out together on the weekend. Zhou Zhifei accompanied Shi Huahua home and confessed that he had witnessed his parents' car accident when he was a child, and would faint at the sight of blood, with his personality and mind turning back into his six-year-old self. He asked Shi Huahua to keep this a secret for him.

Shi Huahua was making medicine and burning incense in Zhou Zhifei's office, causing a lot of smoke and pollution. Zhou Zhifei was determined to get rid of her quickly. Zhou Zhiran expressed his admiration for Shi Huahua to Zhou Zhifei, but Zhou Zhifei didn't want his brother to get too close to her, calling her a "savage".

Zhou Zhifei dreamt that Zhou Zhiran and Shi Huahua got married, but he woke up startled and the next day he brought his secretary Xiaochi to supervise Zhou Zhiran and Shi Huahua's "date". Shi Huahua and Zhou Zhiran had a great time together and Shi Huahua complained to him about Zhou Zhifei's lack of kindness. However, Shi Huahua was still concerned about Zhou Zhifei's "illness" and searched for remedies to help him.

Zhou Zhifei's childhood friend Ji Qing returned to the country and coincidentally met Shi Huahua pulling Zhou Zhifei to practice handstands in the office. Ji Qing immediately became hostile towards Shi Huahua. Upon learning that Shi Huahua had martial arts skills, Ji Qing, who was a Taekwondo black belt, challenged her. Shi Huahua accepted the challenge but accidentally injured Ji Qing. It turned out that Ji Qing was a major shareholder of Feiran, which made Shi Huahua feel very guilty.

Zhou Zhifei scolded her harshly, causing Shi Huahua to decide to leave Feiran. However, Zhou Zhifei felt regretful after seeing her resignation letter. So he arranged for Shi Huahua to go on a business trip with him.

Zhou Zhifei brought Shi Huahua to Yun Dian village to investigate, with the plan of building a water source factory for beverage production there. The conditions in the village were very primitive and Zhou Zhifei had a hard time adapting, but Shi Huahua, who grew up in the mountains, was very comfortable and quickly befriended the villagers. Zhou Zhifei, who was used to being in charge, had to humble himself and ask for help from Huahua when they had trouble navigating the village. After spending time with the villagers, he was touched by their simple way of life. Zhou Zhifei couldn't handle the local food and secretly cooked his own, but accidentally ate poisonous mushrooms. The poison caused him to act crazy and he smashed his phone, but luckily Shi Huahua found him in time.

Shi Huahua took care of the poisoned Zhou Zhifei, and their relationship was misunderstood by the villagers. Shi Huahua saw Zhou Zhifei's vulnerable side when he was sick. After some investigation, Zhou Zhifei believed that the initial investment for building a factory in the village was too high and not conducive to cost recovery. However, Shi Huahua couldn't bear to see the disappointment in the eyes of the villagers and hoped that Feiran could help them live a better life. Zhou Zhifei's cousin, Zhou Zhiang, has been secretly in love with Feiran's partner, Nangong Xiaoxiao, but Nangong Xiaoxiao's parents are enemies with Zhou Zhiang's family. Zhou Zhiang met Nangong Xiaoxiao at the swimming pool while she was applying for a membership card, and he still had feelings for her, but Nangong Xiaoxiao did not recognize him.

After falling and getting injured in a tea plantation, Zhou Zhifei faints at the sight of his own blood and turns into a child version of himself, called "Xiaofei". During their interactions, Hua Hua gains a deeper understanding of Zhifei and Xiaofei grows dependent on her. After the inspection, Hua Hua can't bear to leave Zhifei behind and decides to stay to treat him. With the support of her grandfather, Zhifei has no choice but to accept a life of "cohabitation" with Hua Hua. Hua Hua's training plan disrupts all of Zhifei's habits, but they gradually get to know each other better. Meanwhile, Qingyuan Water Plant actively seeks cooperation with Feiran and becomes a competitor in YunDian Village.