The book tells the story of The Gunslinger, Roland of Gilead, and his quest to catch the man in black, the first of many steps towards Roland's ultimate destination, The Dark Tower.
Knjiga govori o Revolverašu, Rolandu od Gileada i njegovom cilju da uhvati čoveka u crnom, prvom od mnogih koraka ka Rolandovom konačnom odredištu: Mračnoj kuli.