Action maestro Lau Kar Leung helms the martial arts saga Drunken Monkey - the tale of a bitter feud that erupts between two siblings. For years, Biao and his brother have co-run a security company - until Biao discovers that the latter is engaged in illegal, underground activities. When Biao disappears for a short time, everyone thinks him dead; he soon turns up again, however, determined to take on his wayward brother in a grueling battle-to-the-death.