Louis Theroux explores the world of plastic surgery by traveling to Los Angeles and even experiencing a procedure first-hand. Plastic surgery has become exceedingly popular over the years and many individuals are making appointments to have breast lifts and augmentations, facelifts, tummy tucks, liposuctions, nose reshaping, and another well-known procedure.
Under the Knife reveals the motivations behind people’s desire to undergo surgery and how society and other factors influence them to make potentially life-changing decisions regarding their body. Theroux meets doctors who perform plastic surgeries as well as the patients who are planning on getting work done. He himself undergoes liposuction to gain a personal insight into the world of plastic surgery and showcase his experience.