Dou maa gei is a 2014 Cantonese-language Comedy Crime film directed by Lee Chi-ngai and produced by Claudia Chung, Lee Chi-ngai and Cheung Chi-kwong under the banner of Edko Films in collaboration with Sil-Metropole Organisation, Bona Film Group and United Filmmakers Organisation. The reporter, the police and the thief must work together to find the valuable ancient artifact, Horseplay. Dou maa gei features Tony Leung, Ekin Cheng, Kelly Chen, Eric Tsang, Wong Cho-lam, Richard Banks and Cho-lam Wong. The screenplay is written by Lee Chi-ngai. The music was composed by Youki Yamomoto. Cinematography was done by Wade Muller and editing by Shirley Yip. It was released on 21st March 2014. The film made a box office gross of $0 million. Distribution rights for the film were acquired by Edko Films.