All of Us Are Dead is about a group of high school students who are faced with an extreme crisis situation when they become trapped in their school, while a zombie virus spreads like a wildfire.
It's the story of a mother who died and begins a 49-day long project of reincarnation, and a husband who has barely begun to live a new life after overcoming the pain of losing his wife.
Cha Yo-Han-an arrogant but genius doctor of anesthesiology-and Kang Shi-Young-a smart, warm resident of anesthesiology-work together to help people with mysterious cases of acute or chronic pain.