Adapted from Qi Wu Gou's novel of the same name - gangtiesenlin -, it is a criminal investigation drama with the theme of emotion and suspense.It revolves around the interaction between a psychology professor, a criminal policeman and a mysterious character. The three of them came together because of a dusty old case brought about by a thrown case. The case is highly brain-burning...

In addition to solving the case, there are also emotional lines. One is a criminal psychology professor and the other is a female police officer in criminal investigation. They get married first and then fall in love.