While a zombie virus breaks out in South Korea, passengers struggle to survive on the train from Seoul to Busan.

She lives with her father and a sibling. One day, her father has a mysterious accident, forces her to look after her younger sibling, the restaurant, and an investigator to find the truth about the accident.

The door of time opens between the swordsman who wants to seize the legendary divine sword at the end of the Goryeo Dynasty and those who chase after an alien prisoner imprisoned in a human body in 2022.

The Colosseum is the fighting arena owned by the champion Bracus. Now after the death of their friend, Tommy Lee and Alex Grady want revenge.