The film is supposed to end, but if the director doesn't call it stop, the actors have to continue acting... The length of the film is not enough, and it can be continued; if the culprit of the crusade dies early, does the director have to find a substitute if he wants to continue? It's just that the play is about to end, and it's hard to find a substitute halfway through. Even if you find someone, you can't find the same feeling as before.