A historical recount of the foundation, establishment, and expansion of 'Amirkabir Publication Institute'. This publication house was considered Iran's most influential and biggest publication institute in the 1940s-80s years. The film looks at the life of the late Abdorrahim Jafari, Amirkabir's founder, and the institute's sad ending, early 1980s when the revolutionary court orders the institute to be confiscated. Mr Jafari was then stripped of the institute's ownership and forced to retire. The documentary 'In Search of Illumination' is narrated by Abdorrahim Jafari and reviews different periods of his life and his activities in the Amirkabir Institute.