It was the biggest night of the year in a little town called Cornwall. It was the night of the annual Christmas pageant. It's an especially big deal for the children in town -- they get to try out for the roles in the Christmas story. Everybody wants a part.
Which leads us to the problem of Harold. Harold really wanted to be in the play, too, but he was - well, he was kind of a slow and simple kid. The directors were ambivalent - I mean, they knew Harold would be crushed if he didn't have a part, but they were afraid he might mess up the town's magic moment. Finally, they decided to cast Harold as the innkeeper - the one who turns Mary and Joseph away the night Jesus is to be born. He had only one line - "I'm sorry, we have no room." Well, no one could imagine what that one line was going to do to everyone's Christmas.