Modern AU. Arthur and Morgana are Metropolitan police officers drawn into a strange case involving robbery of ancient artifacts. Merlin is a graduate student at Imperial College studying the healing plants of Ancient Britain under Gaius – or at least that's what he tells everyone. Soon they, along with Gwen, Lancelot and Uther, will be facing a battle for the future of the country. Can they defend the realm from those who would seek to destroy it?