The story itself is interesting with some veteran actors. 20 short episodes that could've been longer if they spend more on character development or spent more time on the supporting actors. There were quite a few potentially interesting supporting characters but they hardly had any screen time.

Shen Yi (Artist) & Du Cheng started off as enemies but a bit too quickly Du Cheng's 7 years worth of anger towards him resolved?? ..... It felt rather instant so the subsequent bromance wasn't strong. It still worked well enough for the story line as it focused mainly on cases. Each case went by fast w/o many twists. It would've been better if they slow the pace down a bit.

The last 2 episode circles back to the original murder from 7 years ago to resolve unanswered questions.

Overall a great crime drama well worth the time for any viewers that enjoys this genre!