At this point in the play's original debut, Arturo Toscanini, the renowned orchestra conductor, lay down his baton, turned to the audience and pointed this out to them. The role of Liu is not the principal one, but it does touch the audience deeply.
一直暗戀卡拉富的柳兒，為避免被屈打成招，趁人不注意，奪取衛士的長矛自殺。公主猜不到卡拉富的姓名，但領會卡拉富的一片真情，並在卡的熱吻下被融化了，高唱卡拉富的名字是「愛情」，結束全劇。