Sent by his father to investigate evidence of a murderous shape shifter, a "skin man," Roland Deschain takes charge of Bill Streeter, a brave but terrified boy who is the sole surviving witness to the beast's most recent slaughter. Roland, himself only a teenager, calms the boy by reciting a story from the Magic Tales of the Eld that his mother used to read to him at bedtime, "The Wind through the Keyhole."

When Gwendy Peterson was twelve, a mysterious stranger named Richard Farris gave her a mysterious box for safekeeping. It offered treats and vintage coins, but it was dangerous. Pushing any of its seven colored buttons promised death and destruction. Years later, the button box entered Gwendy's life again. A successful novelist and a rising political star, she was once again forced to deal with the temptation that box represented. Now, evil forces...