Jeonnampyeoneul Sakjehamnida

A woman is arrested for the murder of Han Jong-In, though she was only visiting her grandfather. After learning of her husband's affair with her cousin, she declares her intent to take everything from him. Overwhelmed, she loses consciousness and wakes up in a college classroom, realizing she has been transported back ten years. Seeing her cousin speak to her with hostility, she resolves to live a different life. To achieve this, she decides her first step must be to eliminate her ex-husband.