Ever since Ye Qianqing entered the police station, there have been incredible crimes every day. After every case is closed, someone will always leave a separate message to Ye Qianqing - "Welcome to back"
Who are you welcoming? Why does Gu Ju look so panicked? What is the mysterious mission assigned to her by Bureau Gu? Why can't even Xuan Xun know? Why does every crime seem like a coincidence? What secret is hidden behind this crime?
The answers to various mysteries gradually emerged in each crime investigation, but at the same time, the five major families of country A were also involved.
Is this caused by family disputes or revenge against society?
If a war between families is provoked, can country A still be stable?
Concept: Money and power cover up social fairness, so can feelings still be pure?