There were two stories in Detective Di Renjie 3, the Liangzhou Case of the Black Clothes Society and the Yangzhou Case of the Phantom of Caoqu.
Detective Di Renjie 4 had two stories. One was the Love Flower Case, and the other was the Golden Man Case.
Detective Di Renjie 4 had three stories. These stories were " The Mysterious Case of Southern Jiannan,"" Heavenly Fire on Snowy Peak," and " Lost Love in the Lost Territory."
Detective Di Renjie 2 had a total of three stories, namely, Shadow of the River Pass, Snake Spirit, and Bloody Jiangzhou.
Detective Di Renjie 3 had two stories," The Liangzhou Case: Black Clothes Society " and " The Han Gou Case: The Phantom of Caoqu."
Detective Di Renjie 4 had two stories, which were " The Gold and Silver Case " and " Murder Trap ".
Detective Di Renjie II had a total of three cases. These cases were "Suspicious Shadows at the Border Pass"(Chongzhou Case),"Snake Spirit"(Snake Spirit Case), and "Bloody Jiangzhou"(Jiangzhou Case). Each case had its own story and solution, demonstrating the wisdom and courage of Detective Di Renjie.
Detective Di Renjie 1 had a total of three cases. The first case was " The Horror of the Mission "," The Story of the Blue Fir ", and " The Bloody Eagle ".
Detective Di Renjie 4 had two cases, the Love Flower Case and the Golden Man Case.
Detective Di Renjie 1 had three cases. These cases were respectively 'The Mission'(episodes 1-13),'The Story of the Blue Shirt'(episodes 14-23), and 'The Bloody Eagle'(episodes 24-30).
There were two cases in Detective Di Renjie 3. These two cases were the Liangzhou Case-Black Man Society (episodes 1-18) and the Han Gou Case (episodes 19-48).