The TV series has not yet been revealed.
The last scene of the finale of "The Illustrated Book of Crime Hunting" is that a man in black walked into Shen Yi's room, walked up to a self-portrait of Shen Yi, cut it open with a knife, and found that there was something behind Shen Yi's self-portrait. Another black and white portrait, I guess this is the screenwriter's foreshadowing for the sequel.
"Crime Hunting Guide" is a crime mystery short drama produced by Zhang Xiaobo, chief screenwriter Jia Dongyan, directed by Xing Jianjun, starring Tan Jianci, and specially starring Jin Shijia. The play tells the story of simulation portrait artist Shen Yi and criminal police captain Du Cheng who had a grudge due to an old case. They were forced to partner up by chance. The two teamed up to solve many bizarre cases and jointly tracked down the truth. The drama will premiere on iQiyi and Tencent Video on March 30, 2022.