The doctor nodded and handed the reports to Madeline.

“Miss Montgomery, the circumstances of your heart attack last night were very strange. We ran some tests for you, and we did not find any heart-related diseases. Therefore, the pain you felt was not attributed to heart diseases.”

Madeline was not sure if she understood. “Um, doctor, why was my heart hurting then? Plus, I felt that I could barely breathe toward the end.”

The doctor frowned in puzzlement as he explained, “To be honest, Miss Montgomery, we don’t know what’s wrong either. Based on the report, there’s nothing wrong with your body. The only strange thing was your blood test.”

“Blood test?”

“That’s right. There’s an unknown component in your blood, and the hospital equipment couldn’t analyze it. I’d surmise that this unknown component to be the cause of your heartache and breathing difficulties last night.”

The doctor’s explanation sounded clear, but Madeline felt as if she had fallen into an unknown terror.

For so