Thriller, noir, by David Lynch, United States, 1986.
The film tells the story of Jeffrey Beaumont, a young student who, personally investigating a macabre find, discovers that in his hometown there is an ignoble underworld of violence, sex, drug trafficking and corrupt police. Young student Jeffrey Beaumont returns to Lumberton's hometown from Oak Lake boarding school to assist his father, who is stricken with illness. Returning from the hospital, the boy crosses a vacant lot and there, in the middle of the grass, he discovers a severed human ear. Jeffrey collects the macabre artifact and takes it to police detective John Williams.