cai xuegang is making a half-hour short film to showcase his ability to potential investors for a feature length project. >> china has opened up in many ways. restrictions are everywhere. you think american films have no restrictions? a film is restricted by themes, censorship, social expectations, budget, everything. it's normal. films are made in an environment of restriction. >> china's problem is not only censorship, but also the lack of a rating system. you can't expect an 18 or a 20-year-old, or someone older, to be watching the same thing as a child. if we solve this, there will be many directors and writers who can truly express reality with courage. >> the challenge is to create the greatest possibilities within the rules of the game. maybe it's because my generation of filmmakers have yet to surface. if we get our chance, chinese cinema would flourish. >> now 35 years old, cai feels ready to step up from directing commercials, corporate and music videos. he sees hollywood creating more opportunities in china... and is geared up for the cut-throat competition. >> i've chased this