"I don't know either. The Old Madam just said Young Master knows how to open it," Miss Woods said with a worried look.

I pocketed the box and thanked her before turning to leave.

"Young Mrs. Blackwood," Miss Woods called after me, "you don't look well. Please take care of yourself. Before she passed, the Old Madam talked about you constantly. She really hoped you and Young Master would have a child soon. The Blackwood bloodline depends on you now."

I froze at the mention of ...