Clifford Castle: A Dramatic After-Piece is a play written by John Duncan and originally published in 1809. The play takes place in the castle of Clifford, where a group of characters gather to celebrate the return of the rightful heir, Lord Clifford. However, their joy is short-lived as they soon discover that the castle is haunted by the ghost of a former lord who was murdered there. As they try to unravel the mystery of the ghost's identity and...