From the back of the book:
A Game of Magic and Dark Secrets
They are the Gifted. Feared for their unique powers, they have been hounded for centuries, and forced to practice their Arts in secret. The time for hiding is over.
A time of Reckoning draws near. It marks the end of an era and the beginning of a new one - or the destruction of all things. the choices the Gifted make will determine what our future will be like.
WitchCraft is a complete roleplaying game, with rules to created Gifted and Mundane characters, an overview of a modern world beset by supernatural danger, and the Unisystem, a set of game rules that can use dice, cards or be completely story-driven to fit the needs of your gaming group.