In a world completely dominated by the American government, people were divided into two groups, the privileged group with a blue mark, and the rebels with a red mark. The privileged had access to resources to live, while the rebels were excluded by the government and had to fight to survive.

Seungcheol, a young rebel, went undercover in the city to steal survival resources. When someone accidentally bumps into him, blowing his cover.

"Damn it..." He whispered.