Lan Yi was troubled by a photo circulating from the black market.He believed that this was a national treasure that had never appeared in history.In order to protect the national treasure, Lan Yi transformed into a cultural relic dealer, but was arrested by Wang Sen, the acting captain of the Criminal Police Brigade.After the misunderstanding was resolved, Lan Yi and Wang Sen joined forces and found that Tang Xiaoliu in the tomb robber gang was murdered, and the few volumes of Song Books around him were gone.Lan Yi judged that the real murderer wanted to steal this precious document overseas.

After Lan Yi and Wang Sen went through great difficulty to arrest the criminal gang that robbed Xu Weili's tomb, they were determined to be the Song Dynasty official “ Xu Weili's document.This book has seventeen volumes in total, most of which are outflowed.In order to recover the national treasure, Lan Yi Wangsen started from the street stall and gradually uncovered a huge chain of interests in making counterfeits, selling counterfeits, selling counterfeits, and smuggling antiques.In order to approach a mysterious buyer, Lan Yi took the initiative to become famous in the cultural relics circle and released the news that he had ” Xu Weili's documents.

Qi Feng took the bait and brought Lan Yi into his counterfeiting factory.Lan Yi wanted to contact Wang Sen to report the counterfeiting factory, but he did not expect to be under house arrest by Qi Feng.With Wang Sen's cooperation, Lan Yi escaped and destroyed the counterfeiting factory. Unexpectedly, four volumes of documents had been shipped to Hong Kong and were prepared to be stolen and sold abroad.Lan and Sen flew to Hong Kong urgently to deal with criminals, finally arrested the mastermind behind the scenes, and intercepted Xu Weili's document preparing for the foreign transportation at the port of Hong Kong.After going through hardships, Lan Yi returned to Wuyi with seventeen volumes of documents, allowing the national treasure to return to his hometown.

Starring: Tong Dawei, Li Zefeng

Special starring: Wang Zhener

Special Invitation: Wang Jinsong

Friendly starring: Feng Jiayi and Ma Su

Starring: Cao Feiran, Wang Gongliang, Gu Yufeng, Leng Jiyuan, Xue Yubin, Jie Bing, Wang Xin, Tang Zhenchao, Xu Guodong, Qian Yi, Zhao Runnan, Liu Tingzuo, Zhu Tie

Producer: iQiyi, Laoyou Film and Television

Co-produced by: Tangde Film and Television, Youmi Film and Entertainment

Inheriting units: Wuyi County People's Government, Youmi Youyan (Beijing) Film and Television Culture Co., Ltd., Wuyi Jiyanshan Culture Media Co., Ltd.

Director-General Producer and Director: Teng Huatao

Director: Wang Wei

General Producer: Xiong Xiaoling Circle

Producer: Huang Tailei, Liu Xinchun, Zhang Xiaojun

Executive Producer: Nie Yanquan Xu Jian

Casting Director: Li Xiaojie

Photography Direction: Wang Xuebin

Lighting Guide: Chen Chong

Art Director: Guo Yang

Styling guide: Guo Li

Editing direction: Liu Hyun

Recording guidance: Zhang Yin