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’s suspicions grow as he uncovers more secrets, including Xiaolei’s attempt to frame Ethan for Yingcai’s death and Aixin’s confession that jealousy drove her to conspire against Xiaolei.