I Woke Up as the Husband She Hates centers on 20‑year‑old Chase, who blacks out at his college confession and regains consciousness seven years later in the body of a cruel billionaire. He discovers he has traumatized his wife Vivian and their mute daughter Ellie, and has been controlled by an unhealthy obsession with his mistress Sabrina. As he tries to redeem himself, he uncovers the truth: he underwent risky experimental memory‑erasure treatment to stop hurting his family. Fighting against Sabrina's schemes, Chase strives to win back trust and rebuild his broken family.
