Arthur Brooks, a former professional musician who has become a daring economist, embarks on a worldwide quest to find an answer to the question: How can we collectively uplift the world, beginning with society’s most marginalized individuals? His travels lead him through the bustling streets of Mumbai, a Kentucky town neglected by the global economy, a homeless shelter in New York, a street protest in Barcelona, and a Buddhist monastery in the Himalayas. Throughout his journey, he uncovers the keys not only to economic advancement for the underprivileged but also to genuine and enduring happiness for everyone.