On trip to Ecuador with his girlfriend Ava, Slade takes a drug that makes him temporarily blind, yet which unlocks the creativity he has been searching for. Back home in Martha's Vineyard, Slade effortlessly pens a novel that will once more bring him celebrity. But the drug has other, unexpected side-effects - Slade has startling insights into the people around him. Yet with this second sight comes the threat of a more permanent blindness. A sightlessness from which there may be no release.