Roland of Gilead, the Last Gunslinger, sets out in pursuit of the Man in Black into a desolate world which frighteningly echoes our own. In his first step towards the powerful and mysterious Dark Tower, Roland encounters an alluring woman named Alice and begins a friendship with Jake, a kid from New York. Faced with an agonising choice, Roland is torn between damnation and salvation as he determines to find out what the Man in Black knows....