It follows Taylor Pherry, who is given a mission from God Himself: to tell his family's stories and inspire his community. What he doesn't know is that the Devil has plans of his own.
The film describes the events leading up to, and including, the massacre of the adults of a small town in Nebraska by their children, after the adults' irresponsibility ruins the crop and the children's future.
The Garden Left Behind traces the relationship between Tina, a young transwoman, and Eliana, her grandmother, as they navigate Tina's transition and struggle to build a life for themselves as undocumented immigrants in New York City.