Richard Garwin, a brilliant physicist who helped design the first hydrogen bomb, reflects on his life and career as a scientific advisor to multiple U.S. presidents. Through his work with the Jasons, a group of elite scientists, Garwin navigated the complex intersection of scientific innovation and national security, grappling with the moral implications of his contributions to the nuclear age. His story is a compelling look at the weight of responsibility carried by those who shape the world's most powerful and dangerous technologies.