Tom Ward is not just the seventh son of a seventh son - the ancient and powerful blood of his mother flows in his veins. Once she opposed the Prince of Darkness, but could not win. And she sent her youngest son to study with John Gregory in the hope that Tom would be able to do what she failed. The young man already knows what awaits him. He desperately searches for a means that will help crush the devil forever... and continues to fulfill his duties as the Witcher's student. Together with the teacher, Tom goes to Todmorden to replenish the library and buy new books about the Darkness. And falls straight into a trap set by the servants of the Enemy...