"Blue Velvet", directed by David Lynch (1986)

Returning home to visit his father who is in intensive care at the hospital, Jeffrey Beaumont stumbles upon a human ear he finds in a field. With local police detective Williams and the local police department unable to investigate, Jeffrey and Sandy, Detective Williams's daughter decide to do their own investigation. But what Jeffrey and Sandy's investigation leads them to discover that a dark underworld exists in their hometown. Jeffrey becomes suspicious of nightclub singer Dorothy Vallens, who is involved with Frank Booth, a violent and evil man. Written by Daniel Williamson
Source: imdb

My opinion: That's a very very good movie. It is filled with symbols, perfect music, Dennis Hopper is incredible and it's a great movie about human relations. So complicated. It's really impressive. Feel like "wow"!