Andy McGrath returns to Worcestershire, where he pays tribute at the grave of his childhood rock hero and reconnects with Jayne Harrison. Together, they delve into a gender-biased cave and engage in a thought-provoking discussion about the mystery of Who Put Bella in the Wych Elm? Later, Andy encounters a treasure hunter inspired by Indiana Jones and embraces the vibrant traditions of May Day Morris dancing.

Andy McGrath explores Roman Wales, visiting ancient sites and tracing Welsh Druidry's final stand on the Isle of Anglesey. He discovers a hidden museum and hears a tale from folklorist Maxine Allinson about St. David's miraculous birth. In Carmarthen, he connects with Merlin's Oak and learns about local physicians. His journey ends in Snowdonia, where he investigates the battle behind the mountain's name.