Girl Yi Yao develops some subtle affection for her next-door neighbour Qi Ming. Later, Gu Senxiang and her younger brother Gu Senxi appear in their lives, Qi Ming and Gu Senxiang naturally fall in love. Gu Senxi, a “”bad boy”” in the eyes of the adults, takes a liking to Yi Yao.
When Yi Yao and Qi Ming find their own love, and are gradually drifting apart, Yi Yao inadvertently forwards a message to Gu Senxiang, which indirectly kills her. Thus, the four people’s love and fate are entangled and torn apart.