At the end of the 19th century, London, the Kingdom of Albion has been split into East and West sides by a giant wall. Five girls attend Queen's Mayfaire, a conventional and prestigious school. Under the guise of regular high school girls, they act as spies undercover. Disguise, reconnaissance, infiltration, car chases... Each girl uses their own set of special skills to dart around the world of shadow. (Source: Sentai Filmworks)