A tale of Earth in despair in 2022. Natural food like fruits, vegetables, and meat among others are now extinct. Earth is overpopulated and New York City has 40 million starving, poverty stricken people. The only way they survive is with water rations and eating a mysterious food called Soylent. A detective investigates the murder of the president of the Soylent company. The truth he uncovers is more disturbing than the Earth in turmoil when he learns the secret ingredient of Soylent Green.