The girl Yi Yao fell in love with a bad boy at the age of 17 and became pregnant. Qi Ming, who lives next door to her, lives in a completely different world - the teacher's pet and the treasure of his parents. There was some kind of subtle emotion between the two that was between love and friendship, or that was above love and friendship. Until the siblings Gu Senxiang and Gu Senxi appeared in their lives, Qi Ming and Gu Senxiang fell in love naturally. Gu Senxi, a "bad boy" in the eyes of adults, developed a crush on Yi Yao. When Yi Yao and Qi Ming each had feelings for each other and drifted away from each other, Yi Yao accidentally forwarded a text message to Gu Senxiang, indirectly killing her...
Later, Yi Yao committed suicide by jumping off the building because of Qi Ming and Gu Senxi's distrust of him and their disgust towards him. The sound of all the joints, bones, chest, and head shattering all over his body made Qi Ming unable to bear it anymore, and he slowly closed his eyes in the darkness filled with gas.
Yi Yao, Gu Senxiang, Qi Ming were all drowned in the river of sorrow, and Gu Senxi, whose eyes were red from crying in front of the TV, the love of four people, the fate of four people, entangled and torn...