 Penn and Teller set out to debunk reflexology, which is applying pressure to the feet to cure various illnesses; and magnet therapy, which is using magnets on the body to do the same. They also investigate chiropractors and discover that while these doctors can deliver the same benefits as good masseurs, they aren t able to treat diseases unrelated to the spine. Meanwhile, they test the gullibility of the public at a local mall by offering magnetic hats and "snail mucus" facials.