Celebrity father and son duo Martin and Roman Kemp begin their adventure on Ireland’s south coast in County Cork - an area shaped by powerful tides, dramatic history and the kind of stirring myths that Martin loves. They take to the water in kayaks to learn the story of Cliona, Queen of the Banshees, and the legend of her ominous ocean wave. They travel to the former prison known as ‘Ireland’s Alcatraz’, Spike Island, where they get up close and personal with its haunting history.