The female protagonist Ye Xin is obsessed with the male protagonist, but the male protagonist has Bai Yueguang in his heart. Ye Xin was abused both physically and mentally, and was almost killed by her husband and mistress! Therefore, a magical ability is a blessing in disguise - the master key. No matter what the problem is, as long as you activate the master key, you will know the solution! Because she accidentally saved a poor man, she was pursued crazily by him. She hated him very much, but he always followed her around untiringly. She ignored him when he greeted her. He knew all her sufferings and was attentive and considerate. Wherever she is, there is him. Sometimes when Ye gets upset or scolded, he becomes pitifully like a child.
She ran away, he chased. Until one day when she didn't see him, she panicked...
