The medical drama focuses on the lives of doctors and nurses who are members of an elite medical team from the fictional Gwang Hae University Hospital.

Fair Princess Jungmyung lives a life of the highest privilege, until her half-brother Prince Gwanghae executes the rightful crown prince and usurps the throne. Exiled from court, Jungmyung goes under disguise as a man and learns to adapt to life as a commoner — never forgetting Gwanghae’s wrongdoing. But amidst rampant corruption throughout the kingdom, can Jyungmyung exact her vengeance, restore order and take back her rightful place in the palace?

Han Hyo-joo plays a surgeon whose father is a famous comic book creator. One day Dad goes missing and she rushes to his workshop to look for him, and instead finds a strange man bathed in blood. She gets kidnapped by the bloody man, which is where their story begins. The drama takes place in 2016 Seoul, but in different dimensions that exist in parallel with one another. It’s described as a suspense romance melodrama about “a man and a woman who are living in the same time, but different worlds.”

This drama is based on the webcomic Kang Hyung Kyu. The story centers on Jang Tae Ho, who was once successful, but becomes homeless after failing at a stock operation involving an exorbitant amount in Korea’s stock market. This leads him to face a secretive ranked organization consisting of Seoul’s homeless. Starting from the bottom, he rises up in rank to fight for leadership of the group against the boss who earns money by exploiting the poor homeless people.

Jo Deul-Ho, who came from a poor family background, is a promising prosecutor, but he can’t ignore the corruption at his workplace. He becomes a whistle-blower and loses everything. Jo Deul-Ho then works to become a lawyer.