One Breath to Forever, One Breath to Ruin (Dubbed)

Erin Quinn hides her true identity while dating Isaac Ford for three years. During a birthday celebration, Isaac's close friend, Margaret Walsh, drunkenly gets intimate with him. She smokes afterward, triggering Erin's heart condition. Isaac continues to side with Margaret even as she steals Erin's medicine and frames her for hitting her, eventually letting Erin slip into a coma. At the most critical moment, Erin's mother, Freya Quinn, arrives to confront the chaos.