The Ungrateful Bitch 2003

Two friends rule the land until one of them marries the wrong woman who wants to convince her now husband that he needs to be the only one who rules. When he refuses to betray his friend his wife tries to seduce his friend. When he does not fall into her trap she tells her husband that he tried to rape her, and an all out war is set off between the two friends. Who will be the ruler?