Tears of the Black Tiger (2000)

"LOVE TRAGEDY. CONCEAL SECRET. BETRAYAL."

Dum, the son of a peasant falls in love with Rumpoey, the daughter of a wealthy and respected family. The star-crossed lovers are torn apart for years, but their forbidden love survives. When tragedy strikes, Dum unleashes his rage and becomes the gun-slinging outlaw the "Black Tiger" who will stop at nothing to seek his revenge.