donnie yen only have a small part in this and yuen biao play the lead . wu ma run a circus and yuen biao be his top performer . because of war go on they have to close the circus . david lam wai ( co star of project a2 ) play a clown who become a drug addict and end up get kill . now the circus go to take revenge on drug smuggler . the movie basically come down to 2 main fight scene . yuen biao take on ken lo and donnie yen fight bey logan . the yuen biao fight start out bad but get a lot good once ken lo start kick . then we have donnie yen vs. bey logan . this be one of the bad fight scene ever film and i kid you not and it be bad than their fight in the fist of fury tv series from 2001. i do not think i have ever see a bad donnie yen fight .