We don't know how huge it is or where it comes from.

Cormac McCarthy has spent the last 25 years writing his novels at the mountain top retreat of the Santa Fe Institute (SFI) in New Mexico. An institute dedicated to the formal analysis of complex systems. In this documentary filmed at the library at SFI (and in the desert), Cormac in conversation with his colleague David Krakauer, reflects on isolation, mathematics, character, and the nature of the unconscious