为了改变村子的落后和家庭的贫困，福果的爸爸决心带着妻子和村民们一起南下，留下福果和爷爷相依为命。爷爷为福果栽了一棵桔树，承诺说如果桔树结果，父母就会回来。两年里，在思念和不适应中辛苦生活的爷孙俩一直苦苦期盼着福果的爸妈回家，远走深圳的妈妈也是牵心挂肚。福果从一个调皮、撒娇，偶尔也会闯祸的孩子渐渐成长为一个能够照顾爷爷并分担家务的小大人。As time went by, the orange tree finally blossomed and bore fruit, but the parents who went out to work could not return for various reasons. He hoped that his parents would come back as his dream.