When art school teacher Yuan Yingcai dies by apparent suicide, his twin brother Yingjie returns to uncover the truth. As he digs into Yingcai’s life, he discovers hidden tensions, dark secrets, and a side of his brother he never knew.
Yingjie discovers Aixin’s letter revealing her regrets toward Xiaolei, while Xiaolei, overwhelmed by anger, holds Andy hostage and considers killing him.