Award-winning documentary about how one Uruguayan leftist survived solitary confinement during the dirty war. The story of former Tupamaro guerilla fighter, Henry Engler, whose prolonged confinement and torture during the Uruguayan dictatorship led to a mental breakdown. Today Dr. Engler is a Swedish citizen and a scientist renowned for his research into Alzheimer's disease. In this impressive documentary, the scientist visits the places of his painful past, painting an intimate and disturbing portrait of prison life under the dictatorship.