Helena, a flight attendant, saves wealthy matriarch Grace from a sudden heart attack but gets wrongfully fired by her spiteful coworker Sophia. Grace finds out Helena’s seven-year-old son Noah is her grandson, fathered by group CEO Lucian. After a one-night stand seven years ago, Helena single-handedly raised Noah, who has congenital heart disease. She joins Lucian’s firm to pay for his treatment and endures repeated harm from Sophia. Surviving kidnapping and frame-ups, Helena discovers she is Eleanor, Director Harvey’s long-lost daughter missing for two decades. The truth comes out, Sophia is brought to justice, Helena and Lucian clear up their rifts, and the family reunites happily.
