The Superhuman and Quest: Elizabeth Sulser, of Zurich, Switzerland, is a 29-year old synaesthete. Synaesthesia is an extremely rare neurological condition characterized by the fusing of senses. For Sulser, this means the involuntary fusion of sound, sight and taste.

The Superhuman and Quest: Esref Armagan, of Ankara, Turkey, is a 53-year-old blind painter. Blind since birth, Armagan is a gifted visual artist who can draw and paint in three dimensions; drawing comparisons to Renaissance architect Filippo Brunelleschi, the first artist to master three point perspective.

Superhuman and Quest: Rüdiger Gamm of Welzheim, Germany, is The Human Calculator! At 35 years old, he can instantly solve complex mathematical formulas inside his head. Gamm can multiply higher powers and divide two prime numbers to 60 decimals - 84 to the power of 17; 42 to the power of 100; 31 divided by 61.

The Superhuman and Quest: Wim Hof, a 47-year-old man who lives in Amsterdam, Netherlands, is the Iceman. Hof can endure extreme cold temperatures and has broken two world records to prove it. He once spent more than an hour buried up to his neck in ice. Then, only a few weeks later, he swam under the surface of a frozen lake for more than 50 metres wearing only trunks and goggles.

"The Real Superhumans and the Quest for the Future Fantastic" also meets Ray Kurzweil, an inventor and futurist who predicts a point in time in which technological change will be so rapid and profound that human existence on this planet will be irreversibly altered. Kurzweil refers to this point as the "Singularity" and says that it will occur around the year 2045.