Modern crime drama series following a criminal psychologist and his assistant on their journey to reach the truth through applied psychology.

A fish seller's son goes missing and everyone suspects Bo Jinyan; the chief police officer unravels his identity, much to the shock of everyone; the police ask Bo Jinyan to assist them with the case, but Bo Jinyan makes a condition.

At night, while analysing the case, Bo Jinyan asks Li Xunran and Jian Yao to meet him as soon as possible; however, someone secretly photographs Li Xunran and Jian Yao as they reach Bo Jinyan's place.

Modern crime drama series following a criminal psychologist and his assistant on their journey to reach the truth through applied psychology.

Jian Yao grows closer to Bo Jin Yan as they work in the same city; something is up at Jian Yao's new job.

Jian Yao joins the company as a sales assistant but is shocked to see Bo Jinyan as the new director; she is taken aback when he tells her to be his assistant.