Beautiful World, Where Are You follows two close friends, Alice and Eileen, as they navigate relationships, careers, and emotional struggles in modern life. Alice, a successful novelist, begins a relationship with Felix, a warehouse worker, while Eileen reconnects with Simon, a longtime friend with whom she shares a complicated romantic history.

Through their experiences—and their long email exchanges—the novel explores questions about love, friendship, purpose, and the state of the world. The characters reflect on politics, religion, art, and personal meaning while dealing with loneliness and connection.

The book explores themes of modern relationships, mental health, identity, class differences, and the search for meaning in a changing world.