A female nursing student. She was doing her clinical practice at a hospital when she escaped during the sudden viral outbreak.

She shares her medical knowledge with other survivors and tries her best to prevent any further tragedies.

A soldier on leave. He was trying to see his family when the virus broke out in the city center, and he stepped up to survive.

He has a strong personality, driven to save survivors through combat and survival skills.

A woman who was working part-time at a cafe and fled alone when the virus broke out inside.

She is a character who waits for an opportunity that favors her anywhere, desperate for survival.

A man who witnessed the viral outbreak while repairing cars on a road in downtown Seoul.

He is mechanically brilliant with cars and machines, stepping forward for the sake of survival.

A male detective who encounters the viral outbreak while patrolling the city.

He has a sense of responsibility as a detective, but also possesses a somewhat selfish side.