Black and White Thoughts

[Twin Siblings' Revenge + Switched Identities + Traditional Story] After witnessing their father's death, Xing Yao, the older brother, is mistaken for being mentally unstable and sent to a psychiatric hospital. His younger brother, Yun Chen, is about to go abroad when he comes to visit. To find the murderer who killed their father, Xing Yao drugs Yun Chen, steals his identity, and goes abroad to lie low for ten years. Yun Chen is trapped in the psychiatric hospital for ten years. Their switched lives drive a wedge between them, and as they search for the truth, they fall into a love-hate relationship.

One survives abroad by the skin of his teeth, enduring hardship as he plots his revenge. The other pretends to be insane in a psychiatric hospital, waiting for his chance to act.