"The Works of Robert Louis Stevenson - Swanston Edition, Vol. 15" by Stevenson is a collection of dramatic works, specifically focusing on "Deacon Brodie, or The Double Life." This volume was likely written in the late 19th century, reflecting Stevenson’s flair for adventure and complex characters. The central narrative delves into the life of William Brodie, a respected deacon by day and a criminal mastermind by night, exploring themes of duality and moral conflict against the backdrop of 18th-century Edinburgh. The opening of the volume sets the stage by introducing the main characters and their relationships, particularly the close bond between William Brodie and his sister, Mary. As the characters interact in Brodie's household, discussions arise about politics, family, and the increasing criminal activities occurring in their city. The tension builds as Brodie struggles with his double life, balancing familial duties and secret criminal endeavors. The presence of figures like the Procurator-Fiscal hints at a lurking threat, creating an atmosphere of anticipation for the unfolding drama that will sweep through the characters' lives. (This is an automatically generated summary.)