Tang Nian, who had a habit of being abandoned since childhood, had the most famous physique in the entire orphanage, and was nicknamed "Sending Guanyin". Every family that adopted her due to infertility would soon become pregnant, and with their own children, Tang Nian became a reluctant general. As Tang Nian was taken over again and again, After being sent back, her fame grew until a pair of parents named Tang took Tang Nian home. Although they soon had a child, Tang Nian was kept as a mascot. Then she grew up carefully and became a seemingly optimistic and cheerful girl. An accident, a suicide, a mean-tongued female ghost, Yu Bai who wanted to be the best ex-boyfriend, and Xu Meng'an who suddenly reunited pushed Tang Nian towards a foggy past to find a reason for his life!