Fist of the Red Dragon

Action-packed with Donnie Yen kicking his adversaries in the role of "Beggar Su". A young Beggar Su getting addicted to opium and manipulated by a scheming imperial prince to fight against WFH and assassinate a righteous general.

As expected, Beggar Su repents and gangs up with WFH against the prince in a climactic battle. Guess who you have helping the prince, the White Lotus sect of course...