The diagnostic AI Baruda developed by Taehwa Group with the stake in the future! While on a field trip to see Baruda, Lee Soo-hyuk, a first-year internal medicine resident, gets caught up in an explosion and loses consciousness. And when he wakes up again, he faces the AI ​​Baruda that exists in his head. The two have already become inseparable from each other. Baruda, whose goal is to become the world's best diagnostic AI by continuing deep learning, and Soo-hyuk , who has been working hard to succeed in difficult environments, work together to treat patients and start their activities with the goal of becoming the World's Best Physician.