This bakery has a pair of twins, a brother named Pei, my sister called Peas, they are still in kindergarten. The father has recently been unable to develop a satisfactory new flavors of bread, so the twins had promised to go to the amusement park business must be postponed. Two siblings so sad, because they look forward to for a long time, so they thought of a way to help my father, Pei Peas and what a good way to come up with? They can help dad successfully solve the problem?
因為愛，大家願意犧牲、樂意付出，並一起學習成長……繼《殼斗村的帽子店》，中屋美和最溫馨、可愛的故事。
在殼斗村，有一家店，天還沒亮就開始工作了。原來，那是一家麵包店。
太陽才剛剛露臉，殼斗村就洋溢著剛出爐的麵包香了。才沒多久，麵包店的前面已經大排長龍了。
因為這裡的麵包，每一樣都很好吃，而且麵包的種類推陳出新，所以怎麼吃都吃不膩！但要開發新的麵包，並不是一件容易的事。
這家麵包店有一對雙胞胎，哥哥叫沛沛，妹妹叫豆豆，他們都還在上幼兒園。因為爸爸最近一直無法開發出滿意的新口味麵包，所以原本答應雙胞胎去遊樂園的事必須延期。兩兄妹好傷心，因為他們期盼了好久，所以他們想了一個辦法要幫爸爸，沛沛和豆豆究竟會想出什麼好辦法呢?他們能順利的幫爸爸解決問題嗎?