The year is unknown and the human race is virtually extinct. 5 years ago the last human escaped from Earth before it exploded. He crash landed on Blue Dream, one of the marijuana obsessed planets in the galaxy of Sinsimilla-8. Suffering from acute amnesia he remembers little of life on Earth. In an effort to jog his memories of the human experience, he has been teamed with an alien scientist who specializes in memory retrieval.