Forensic doctor Che Suwei, gentleman detective Gu Yuan, Deputy Inspector Kang Yichen, and lively reporter Cao Qingluo navigate a web of conflicting forces as they work together to solve a series of strange and mysterious cases.

Zhang Dabao is a middle-aged man who has lost confidence in life after facing numerous setbacks. When he unexpectedly travels back to 1995 and meets his 22-year-old self, the two embark on a journey filled with challenges that inspire them to join forces. Together, they seek to reconcile past regrets and forge a new beginning in their lives.

Qian Jing is a strong and independent woman, who was the only one able to take the position of personal assistant for the demanding CEO, Gu Yi. Soon, their relationship becomes not only professional but also romantic. The problem, however, is that nobody knows the true face of Gu Yi, who after a car accident, from being tender and understanding for a moment, can switch in a few seconds to being cruel and obsessive, especially towards Qian Jing. Soon, Qian Jing not only has to deal with her complicated feelings for her boss, but also her past, especially since her motives for becoming Gu Yi's assistant in the first place are not as noble as they might seem.

Jiang Lili, the "loser" was forced to pretend to be her twin sister because of an accident. After experiencing the extreme contrast between the life of a top-notch producer, she strives to become a better version of herself.