Prosecutor Yin Ze, who stayed away from trouble, had to be involved in a serial murder case for special reasons. As the relevant persons died one after another, a layer of fog seemed to surround Yin Ze. However, with his intelligence, it seemed that the truth was ahead. Will he choose to stick to justice or turn a blind eye? But this is no longer a problem, because the trouble-shy Prosecutor Yin seems to have an inseparable bond with the suspect...