charriba proves difficult to pin down, so dundee pretends to give up and starts back for the united states. the apaches give chase and end up in a trap. charriba is killed by ryan during the ambush. with their bargain concluded, dundee and tyreen prepare to resume their personal battle, but the vengeful french appear, forcing the two men to set aside their differences. with the french having positioned a portion of their force on the american side of the rio grande, blocking dundee's forces from crossing into u.s. territory, the two cavalry forces charge each other at the rio grande, with major loss of life on both sides.