Dai moh seut si (2011)

In the years after the Revolution, China broken up into fiefdoms held by warlords, who are busy fighting each other. One warlord has imprisoned a girl and wants her to be his seventh wife, but he's too honorable to force her. The local revolutionaries wants to kill him and bring back the republic. But when a stranger returns from abroad with mastery of magic to recover the girl he loved, who is tricking whom and who will win at the end?