In a high-stress work environment where only the strongest survive, nine hospital specialists must learn that it's okay for even doctors to struggle sometimes, and that friendship can be more healing than they think.    

When Chanyeol's boyfriend falls ill with a mysterious man-made disease and the government doesn't do enough to find the terrorist, he sets out to fight the creator for the cure himself. Fighting by his side is less-than-badass Baekhyun and his wife, military extraordinaire Sookyung.