With her parents away for most of the year, busy with their business, Zhou Xinye gradually became withdrawn and quick-tempered. When she was eleven, something happened that drove her to start fighting and skipping school, breaking her parents' hearts. When she was twelve, they adopted a sweet, well-behaved eight-year-old girl from an orphanage and renamed her Zhou Niannian. Can her little sister slowly crack open the heart wrapped in a hard shell...?
