TheoyearnstoexpresshistruefeelingstoclassmateLinus.Itseemsthereisnobodyaroundhimtounderstandhispredicament.Thatis,untilMr.Kruger,seenbymostasmerelyanoddoldteacher,appearstobetheonewhounderstandsTheo.

董得起，绰号“董古董”开了一家“梦古斋”古玩店，但他对古玩玉器的鉴识却一知半解。他花高价收购的“慈禧棺盖”、“袁大头”和号称金沙遗址出土的“玉璋”，都被古玩鉴赏家确认是假货，诅咒发誓不再做古董生意。一个乞丐婆婆向他乞讨，…