After the great change that hits the earth and leads to the great shortage of natural food, the only food they have is the Soylent, a young courageous detective, investigates the murder of the president to reveal the horrible secrets.
The film was a typical seventies sci-fi effort, scientifically illiterate and unimaginatively composed.
Variety
June 05, 2007
The somewhat plausible and proximate horrors in the story of Soylent Green carry the production over its awkward spots to the status of a good futuristic exploitation film.