? The Stone Age Million Detectives is a fantasy film directed by Wang Song and starring Ye Shanhao, Huang Lu and Liang Jiaren. The film was released in China on April 28th, 20 13. The film mainly tells the story that Li Huang, a third-rate private detective at the end of the road, accidentally received a big business of one million yuan and entered a private club called "Stone Age" to find a partner.