We are killing our planet. But there is still hope. Branwen Lewis, the greatest scientist of our time, researching the technology to save the environment, her enemies at her heels. Gwydion Coleman, a man with powers our time does not accept, and a past we don’t believe in. We know him as Merlin. Her mission is to protect our world. His mission is to protect her. A great legend from our distant past meets a legend of our future. Together they are unbeatable. But at what cost?