This fourth series reunites the Doctor with savage warrior Leela (Louise Jameson) for adventures across Time and Space! St Matilda's College, Oxford is haunted. The building was formerly a convent and, so the story goes, three ghostly nuns wander its passages during the hours of darkness. The story goes on to say that anyone who sees the 'three sisters' will not be long for this world. When one of the students mysteriously disappears, the Dean of the College, Dame Emily Shaw, has no option but to call in the police. Her call appears to be answered when a Police Box arrives in her study; the Doctor and Leela have come to investigate and uncover the dark secret that has lain buried beneath the college for almost a thousand years...The fourth series in a Big Finish range which is hugely popular with fans of the classic TV series Doctor Who. Richenda Carey is a well-known face on British television including appearances in Monarch of the Glen and Jeeves and Wooster. As well as Doctor Who, Louise Jameson has been seen in Bergerac, Eastenders, and many other UK shows and has written one of the scripts in Big Finish's impending Survivors - Series 2. CAST: Tom Baker (The Doctor), Louise Jameson (Leela), Rowena Cooper (Emily Shaw), Richenda Carey (Sister Frances Beckett), Claudia Grant (Megan).