As a grisly virus rampages a city, a lone man stays locked inside his apartment, digitally cut off from seeking help and desperate to find a way out.
An older brother is a washed-up boxer. His younger brother is a genius pianist with physical disability. The brothers make up through their mother who is full of stories of her past.
At Korea's top university medical center, ideals and interests collide between a patient-centered ER doctor and the hospital's newly-appointed CEO.
