Éjszaka is kézbesítendö

Chase after a break-up letter that shouldn't be sent. A young girl try to retrieve her break-up letter mistakenly sent by post, in which she assisted by a young guy who fell in love with her from the very first moment. But it's seems to be impossible through bureaucracy at the post, but the guy doesn't mind to spend the whole day with her to helping in mission, apart from the fact he works against himself.