Soylent Green

The is the year 2022.

Overcrowding, pollution, and resource depletion have reduced society's leaders to finding food for the teeming masses.

The answer is Soylent Green—an artificial nourishment whose actual ingredients are not known by the public.

Thorn (Charleton Heston) is the tough homicide detective who stumbles onto the secret so terrifying no one would dare believe him.