Ada Leverson's The Twelfth Hour delves into the emotional complexities of relationships set against the backdrop of Edwardian high society. The story centers around the beautiful Felicity, her brother Savile, and their interactions with friends and family. Themes of love, romantic dilemmas, and the expectations of social status run through the novel, as characters navigate personal entanglements and societal pressures. Felicity is caught in a marriage with her distracted husband, Lord Chetwode, who is more interested in his chores than in his wife. Meanwhile, Savile struggles with his relationships. The characters' emotional lives are marked by unspoken affections, misunderstandings, and the tension between personal desires and the roles they are expected to play in society. The novel explores how relationships are shaped by duty, loyalty, and the complex dynamics of family and love. It also reflects on the personal sacrifices that come with the pursuit of happiness in a world where appearances and social conventions often dictate behavior. Through these themes, Leverson offers a poignant reflection on the human condition, filled with both humor and pathos.