Despite its fearsome legacy, witchcraft is rising in popularity in New York state and especially in the Hudson Valley.

News 12's Tara Rosenblum spent four months exploring and gaining access to a mysterious, secretive world that most people don't even know exist: a thriving underground community of witches.

Watch "Speak No Evil," only on News 12, starting Tuesday to learn about the modern-day magic and ancient rituals at the center of their faith. Tune in to meet some of the most powerful witches in New York and see what happens when they come together to perform a white magic ritual and summon sacred spirits.

Part one of the series airs Tuesday starting at 4:30 p.m., and part two airs on Wednesday at 4:30 p.m.