The Fox's Summer
Also known as	Fox Falls in Love
Genre	Romantic comedy
Based on	When the President Falls in Love by Shen Cangmei
Written by	Shen Cangmei You Er
Directed by	Yu Zhongzhong
Starring	Jiang Chao Tan Songyun
Opening theme	together
Country of origin	China
Original language	Mandarin
No. of seasons	2
No. of episodes	44
Production
Producers	He Houze Ni Na
Production companies	Penguin Pictures Vision Power Kangxi Media Perfect World Pictures Yongzhou Pictures Corp[1]
Original release
Network	Tencent
Release	5 April 2017 (2017-04-05)

The Fox's Summer (Chinese: 狐狸的夏天) is a 2017 Chinese television series based on the online novel titled When the President Falls in Love (当总裁恋爱时) by Shen Cangmei. The series received praise for its witty dialogue and unique storyline, and ranked atop the ratings chart.^[2][3]

Gu Chengze, the adopted son of the Gu family, is the CEO of Gu Mall Corporation. Mrs. Gu wishes for her biological grandson, Gu Jinyu, to take over the company, and Chengze is tasked to guide the rightful heir towards becoming a respectful businessman. During this time, he meets fashion designer Li Yanshu and discovers that she is Jinyu's ex-girlfriend. He decides to hire her aboard to motivate Jinyu, who still harbors feelings for Yanshu. The plan works; Jinyu decides to join the company and pursue her. When Mrs. Gu finds out about Jinyu's feelings for Yanshu, she is livid and tells Chengze to separate them. This creates an opportunity for Chengze and Yanshu to get closer to each other, and they fell in love. With the help of Yanshu, Chengze overcomes many difficult situations. Jinyu, after undergoing life-changing experiences, also matures and successfully takes over the company and finds real love.

• Jiang Chao^[4] as Gu Chengze (The Rabbit), CEO of a company who is a human lie detector and has obsessive–compulsive disorder.
• Tan Songyun as Li Yanshu (The Fox), a fashion designer and pathological liar. She is independent and adapts well to any situations.
• Daniel Zhang Xin as Gu Jinyu, an easygoing and flamboyant man who does not take work seriously. He only loves his first girlfriend, Yanshu.
• Wang Yanzhi as Han Junyao, the self-centered heiress of Han Corporation who has liked to pick on Yanshu since their high school days.
• Dong Hui as Mrs. Gu
• Ji Xiaobing as Gao Yang
• Zui Ju as Qiao Na

Kim Tae-hwan was originally cast as the male lead, but was replaced by Jiang Chao due to China's ban on Korean-Chinese co-production and celebrities.^[5]

This series was remade in Thailand as You're my heart beat (Thai: จังหวะหัวใจนายสะอาด, Thai pronunciation: [Cạngh̄wa h̄ạwcı nāy s̄axād]) and aired on PPTV on March 2, 2021.