Kate Aster is a skilled surgeon who takes on high-risk cases most of her colleagues would refuse. But she holds a closely guarded secret. She is a witch. Things take a turn for the worse when a researcher from the department of health shows up wanting to know more about Kate's approach to surgery. The fact that there seems to be a spark between her and Kate doesn't bode well for Kate's ability to keep things hidden. Will she be able to keep her secret - and her job?