When innocent country boy Nai sets foot in the sordid, cutthroat realm of the city, he might as well have painted a target on his own back. Kidnappers, murderers and desperados abound, waiting to take advantage of a boy guileless enough to believe blood is merely red water. Nai is looking for a friend who has disappeared leaving only an I.D. bracelet from the organisation named Circus, the country's supreme defence agency.