A series of murders committed in a similar way - each of the victims has two bullet holes in the forehead - causes public murmurs. There is something in these terrible traces of crimes, in the way bloody splashes and smudges were scattered on the wall and surrounding objects. , reminiscent of the work of the famous abstract artist Jackson Pollock. While the police are unable to determine the motives and get on the trail of the killer, someone under the nickname Justiceman appears on the Internet. He is the administrator of a quickly gaining popularity forum, where a series of mysterious murders are discussed. His posts, in which he demonstrates an amazing ability to analyze facts and arrange them in a logical chain, are gaining more and more confidence among members of the forum. And now Justiceman already has more than half a million devoted followers, and the opinion of this community, in turn, becomes the ultimate truth... "Justiceman" is a novel by South Korean writer To Sun-woo, for which he was awarded Korea's largest literary prize, the Segye Literature Prize, in 2017.