Overnight, she fell from the clouds. The family went bankrupt, her father died mysteriously, and she became the caged bird of the cold business emperor Fu Chengyu.
He gave her the ultimate luxury and gave her endless surveillance. He whispered softly, calling her "fiancée", but locked her freedom with cold handcuffs. Everyone thought that Lin Weiyu was just a trophy carefully collected by Mr. Fu.
But they don't know that this gorgeous cage is a huge mystery in itself. What secret is hidden in his father's death? Why does the silent maid W take risks to deliver clues again and again? What kind of secretive truth is hidden under Fu Chengyu's seemingly ruthless control?