"A Collection of Old English Plays, Volume 4" by A. H. Bullen is a compilation of theatrical works likely compiled in the late 19th century, drawing upon the rich heritage of English drama from earlier centuries. This volume includes several plays, notably "Two Tragedies in One" by Robert Yarington, which features intertwined stories of murder and betrayal, focusing on themes of greed and the dark implications of ambition. The opening of this volume begins with a preface detailing the editor's efforts in bringing forth previously unpublished plays, which showcases the meticulous nature of Bullen's work. The introduction to "Two Tragedies in One" outlines the dual plot structure: one revolves around the murder of a chandler named Robert Beech and his servant, while the second echoes the poignant tale reminiscent of "The Babes in the Wood." The introduction delves into historical context, noting the rarity of the play and Yarington’s obscurity. As the narrative progresses, characters like Merry, who is caught in a treacherous plot, unfold complex motives driven by avarice, ultimately leading to tragic consequences. The opening sets a stage filled with tension and foreboding, indicative of the moral inquiries explored within these old English plays. (This is an automatically generated summary.)