 BBC Adaption of Agatha Christie s novel. In the small village of St. Mary Mead, Colonel and Mrs. Bantry, owner of the local manor - Gossington Hall is shocked when one morning a young lady s body is found in the library. They call in the police who soon run up against a brick wall, only finding out that the body is that of a dancer in London who the Bantry s didn t even know. But how and why was her body left in the library? To find out the truth, the Bantry s call in the help of their good friend and detective - Miss Jane Marple.