Orphaned pot-girl Mary has buckets of stage blood to clear up under the horrible gaze of Master 'Foulbrew'. Can she find a way to escape her revolting master? Meanwhile, on stage, Lady Macbeth wants to be queen but old King Duncan is on the throne. The witches say Lord Macbeth will rule, so ghosts, treason and blood are bound to follow. Join master storyteller Terry Deary for a trip back in time to Shakespeare's England and a gripping adventure.