As humans turn into savage monsters and the world plunges into terror, a handful of survivors fight for their lives — and to hold on to their humanity.

In disguise as her friend, Ha-ri shows up to a blind date to scare him away. But plans go awry when he turns out to be her CEO — and makes a proposal.

Made half-human and half-spirit by accident, a young man is employed by a company of grim reapers in the underworld to carry out special missions.

Chef Seo Poong was once a star chef and worked at the best Chinese restaurant. His popularity faded and he eventually wound up working at a small, failing Chinese restaurant. Meanwhile, Doo Chil-Seong is the owner of a building. He is an ex-gang member and he was in jail for 5 yers.

A sickly man with a strong mind has spent most of his childhood in a hospital. He is involved in a case of "double jeopardy," the principle that one cannot be tried for the same crime twice following either a conviction or an acquittal.

Siwoo, a high school student, is timid and fragile. His only hobby is taking a picture of his daily life with a camera. However, Ha-joon and his hobby, motorcycle, come to Siwoo, who nobody is interested in. "Break" begins to occur in Siwoo's daily life.

Mind Universe is made up of two episodes that share the same subject matter about a mind-uploaded artificial intelligence. Today Of Tomorrow is about a story of an old woman, meeting her deceased AI husband who has been mind-uploaded. Our Universe is an episode at a virtual online funeral of famous Korean composer Kim Hyung-suk and is about music, love, and family.

Despite her disabled leg, the Ph.D. student Jae-yeon is a brilliant researcher with a rare ability to communicate with nature. Having been hurt by her hypocrite colleague and lover, she turns her back to the world and goes deep into the forest to live alone in a glass garden.

Doo-yeong, the eldest son of the family is planning to go to the police force this time. However, after coming to Seoul from the province, going with his younger brother Doo-yeop to a cram school is not too smooth. His romance with Ji-yeong makes it also harder. Doo-yeong meets a lot of people and worries amidst his longing for success and love in Seoul.