Film director Johnni To Kei-fung, who was named best director for The Mission at this year's Hong Kong Film Awards, was blackmailed during the shooting of the film, the District Court heard yesterday. Five men demanded $5,400 lai see from producer Sie Oi-ling on the set in September, the court heard. Ms Sie told Mr To, who negotiated with the men. Tang Kwok-kuen, Cheng Chi-ming, Cheng Chi-shing, Yuen Yung-moon and Lam Wai-leun deny blackmail. The case continues.