In 'The House of Baltazar' by William John Locke, a brilliant mathematician named John Baltazar faces a life-altering choice when he has an affair. Deciding to leave everything behind, Baltazar disappears for two decades, only to resurface in 1916, amidst the chaos of World War I. As Baltazar attempts to rebuild his life, he confronts the complexities of love, change, and intrigue in a world torn apart by war.