Chen Jiaran once believed that friendship and love are immortal, different from all substances in the world that have a shelf life. But she forgot that people's hearts will become increasingly depressed as time goes by, and nothing is truly immortal. She once thought that he was her life. He gave his life to her, leaving her with only guilt. Her good girl Su Ke, her sudden brother Zhang Xiyuan, everything is intertwined and complicated. He once passed by her world and just stayed. When she woke up, he was gone, so she hugged the pillow that was wet from crying and repeated it day by day. The memory is fragmented and withered, I just hope someone will tell her that she loved...