The top-rated Korea cruise extended an invitation to the Yongjin Taekwondo team, known for their rising online fame of ten million views on YouTube, for a special performance. However, little did they know that their fate would take a dramatic turn. As the cruise remained out at sea for a week, it quickly transformed into a prison for its passengers, leaving them with no escape from the impending danger. Soon, they were left fighting for their lives as a zombie outbreak infested the ship.