Our senses are the conduits that bring us the scent of a freshly brewed cup of coffee or the notes of a favorite song suddenly playing on the radio. But are they really that reliable? Neurologist Guy Leschziner shows that what we perceive to be reality is actually a complex internal reconstruction by our minds and nervous systems. While explaining this phenomenon, Leschzinger also introduces some extraordinary individuals whose lives were turned upside down by a disruption in one or more of their five senses.