During a mission in Eswana, elite agent Fiona was drugged. In order to survive, she accidentally ended up spending a night with a stranger. She thought it was just a one-night affair, but an explosion occurred at the hotel, and Fiona fell into a deep coma. Six years later, Fiona became the personal bodyguard of Charles. While protecting Charles, Fiona gradually developed feelings for Charles's father, Nathan. After rescuing the kidnapped Charles, Fiona discovered that Charles was actually her child.