Genius hacker Xiao Su gets into a car accident with her best friend, the female lead, while trying to save her. When she wakes up, Xiao Su finds herself in the body of the 'foolish' female lead, while the real female lead's soul is trapped in Xiao Su's severely injured body. Facing the killers targeting the Ye family—the fake husband, the vicious mother-in-law, and the scheming mistress—Xiao Su decides to fight fire with fire. She hides behind the 'fool' act, secretly plotting and using her hacking skills to tear off their masks. Just when the male lead thinks he's won, all his crime evidence suddenly lights up on the electronic screen... Thus begins a mind-bending soul-swap revenge feast.
