Real Place. Real Magic.Marco's summer in Glastonbury is starting to get seriously weird… The locals are having strange and terrifying visions, and then Marco's friend, Rosa, finds an ancient relic which experts identify as Excalibur, sword of the legendary King Arthur.According to the folk tales, Arthur will return to fight the forces of night. But where is the real threat coming from? A new evil is loose on the streets of the old town and inside the ruins of its ancient abbey... and walking right into it is Marco's sceptical London friend, Josh, the psychiatrist's son who's too clever for his own dad.Only Marco and Rosa can see the real darkness rising... and the blade about to fall.