Peipei, born as a rebound child after her second brother’s demise, has always felt the existence of her belated brother overshadowing hers. Propelled by her inner inquiry, the 22-year-old Peipei began her investigation of this “stranger”, who also connects with her in every way, through conversation with her elder sister, mother, father, and Shaochang’s first lover Junxia. In the process of knowing Shaochang better, Peipei gradually unravels the long-hidden trauma and secret that the family still painfully withholds.