Mientras un virus espeluznante arrasa con la ciudad, un hombre permanece encerrado solo en su departamento, desconectado y desesperado por encontrar una salida.

Después de que Kwon, un jugador excepcional, sea inculpado injustamente de asesinato, él y sus aliados deciden encontrar al verdadero culpable y demostrar su inocencia.

Chul-Soo (Hong Jong-Hyun) is the only son of a legendary thief family. He falls in love with Young-Hee (Jin Se-Yun) who is a police officer. Her family is also a police family. To get her parents permission to marry, Chul-Soo undertakes an exam to become a police officer, but both families work to prevent their marriage.