Since an old man Guye retired from the newspaper office, he hasbought a history-old chair from a curio shop but he feels it is a trouble for him, because his daughter Xiaomi doesn't like the old chair and not allow him to place it at home, meanwhile the shop refuses his return. As the officer from the public security bureau investigates a case of cultural relics who goes to his home for investigation. Owing to the history-old chair is missing which is placed at courtyard by his daughter what he can not explain clearly so he is regarded as the suspect. Originally the chair is considered as national treasure so he is well-known. In order to clarify the fact, he is out of touch with anyone and serves as gardener at the back courtyard. He accidentally finds the chair and immediately goes to the public security bureau for begging for innocent, but he is disappointed by their ambiguously conclusion. For rescuing her father from the trouble, she sells out the chair as national treasure. Later the buyer finds it is a false national treasure in view of his appraisal and asks him for handing over the true one, so he suffers wrongly treatment again. He has no alternative but to return the chair to the curio shop.