少年与智障奶奶相依为命，唯一的念想就寄托在一张全家福上，在少年的世界里，和母亲有着一样辫子的少女，成了生活中唯一的一点阳光。而邻居屠夫的儿子在不断霸凌少年直到触碰底线时，做出了一念成魔的决定。

The young and his mentally retarded grandma depend on each other for life, the family photo is the only hope, and the girl who has the same braids as his mother in the family photo is the only sunshine in his world. The boy has experienced bullying by the son of the butcher until he pushed him over the limit. He has a decision.