Traitor, You Have Become a Real Dragon. Come Out of Prison and Find Your Fiancée.

Five years ago, he held the secret recipe handed down from his ancestors and built a top pharmaceutical company with unlimited success. But he was framed by a villain, and a murderous poisoning case landed him in jail. He has endured eternal infamy and the notorious deep-sea prison. In prison, a peerless female teacher preached and received her vocation. The nine-paper marriage contract made him go down the mountain for revenge. Once you are released from prison, the world changes. All the great beauties in the world fall in love one after another. The underground order was completely reorganized.