Instinct A gorilla expert apparently lost his wits in Africa and murdered two park rangers in a fit of rage. He is flown back to the U.S. and locked up in the psychiatric wing of an overcrowded prison, where he behaves and grunts like an ape and attacks anyone who comes near. An idealistic young psychiatrist befriends him, discovers his inner goodness and helps him. 123 minutes, No persons under 10 (Violence). Drama, Thriller. You can usually find additional (copyrighted) pictures, trailers, etc, on the Official Site. Where's it showing?

The Moviesite Fan Club comments

Ian Douglas: Tarzan for adults? Hannibal Lector meets Gorillas in the Mist? Zorro rides again? The film takes plotlines from all three sources, and ultimately disappoints. It hints at a breakthrough view of humanity but never quite gets there. Maybe it's only in the book. The performances are good.