A story that follows a detective in the major crimes division of Nan Xing City Police Department. Together with a woman who has super memory, he upholds the law one case at a time in solving murders, burglaries and bringing down a narcotics manufacturing facility.
Jing Chu is a young and capable detective. Due to his repeated merits from cracking big cases, he is promoted to the position of major crimes division vice-captain at Nan Xing city and starts to work alongside his new team. Because of a murder case, he meets Yang Mian Mian, a young woman who possesses a photographic memory. He soon realizes that Mian Mian seems to have a deep connection to his father's mysterious death many years ago.
Meanwhile, a famous blogger and a member of an idol girl group die consecutively. Their cause of death is identified to be due to a medical substance. As the major crimes division launch their investigation, they uncover a dangerous conspiracy that could threaten their own lives.
A divorce lawyer has a keen eye for weeding out lies. As she gains fame for her work, she finds that she has a lot to learn when it comes to her own marriage.
Yao Yao (Li Xiaolu) is a famous divorce lawyer who relies on her exceptional analytical skills to find clues. Her husband Zhuang Zhong (Li Jiahang) is a nurse and an indispensable partner in helping her solve difficult cases. The couple's relationship is tested when problems start to crop up due to Yao Yao's mom, Zhuang Zhong's immature older brother and many other reasons. Can they work through their issues to understand the true meaning of marriage?
