The Snail on the Slope is a generative movie based on a book of the same title by Strugatsky brothers. The novel is set on an unknown planet, where humans have a base from which they are investigating and trying to conquer the Forest. The Forest, which is a huge single organism is constantly changing and fighting back. It is also dangerous and there are a lot of unexplained phenomena that they are discovering.
In a gritty and alternate 1985 the glory days of costumed vigilantes have been brought to a close by a government crackdown, but after one of the masked veterans is brutally murdered an investigation into the killer is initiated.
Aliens land in South Africa and have no way home. Years later after living in a slum and wearing out their welcome the "Non-Humans" are being moved to a new tent city overseen by Multi-National United (MNU).
This psychedelic tour of life after death is seen entirely from the point of view of Oscar (Nathaniel Brown), a young American drug dealer and addict living in Tokyo with his prostitute sister, Linda (Paz de la Huerta).