Name of the 8 cases and episode durations

1st case: 无头新娘案 (The Case of the Headless Bride) - Episode 1-10

2nd case: 井底埋尸案 (The Case of the Body Buried in the Well) - Episode 1-10

3rd case: 百草园嗜心案 (The Case of the Hundred Herbs Garden) - Episode 11-14

4th case: 戏伶冤魂索命案 (The Case of the Opera Actor Ghost Murder) - Episode 15-20

5th case: 锦衣少女案 (The Case of the Girl in Brocade Clothes) - Episode 21-22

6th case: 猎杀太子案 (The Case of the Hunting of the Prince) - Episode 23-24

7th case: 天道血色罚罪案 (The Case of the Heavenly Blood Punishment) - Episode 25-28

8th case: 深宫寒影杀人案 (The Murder Case of the Cold Shadow in the Deep Palace) - Episode 29 until the end of the drama

Yup! Last case is the main one and it involves a lot of characters so it will take longer than all the other cases. 

No problem!