Three years ago, Ye Chu was forced to take the blame for his elder brother. In prison, a mysterious old man accepted him as his disciple and taught him martial arts and medical skills. The old man told him - you have the blood of a true dragon, but the true dragon bone was dug out in your body, which created a resentful dragon spirit. If you can't resolve it, you won't survive until the age of twenty. After he was released from prison three years later, the Ye family asked him to join his wife Jiang's family to celebrate the wedding of the vegetative young lady. Everyone laughed at him as a useless son-in-law. But they didn't know that Ye Chu's master was the world-famous Medicine King. No one knows that when his true dragon bloodline awakens, the entire Jiangdu will tremble. Once the real dragon is released from prison, the world will change.