Mrs. Hale Wasn’t Supposed to Come Back — Episode 3

On the day Grace Arden is released from a psychiatric hospital, she sees her sister Claire being rushed into the emergency room. Grace soon discovers that Claire has been relentlessly abused by her husband and his mistress. Determined to protect her sister and make them pay, Grace assumes Claire’s identity and returns to the wealthy family in her place. Everyone believes the gentle and timid wife has finally come home. But they have no idea that the woman standing before them is not Claire. She is Grace—a ruthless avenger fresh out of a psychiatric hospital, ready to punish everyone who destroyed her sister.