Instinct

1999 · Directed by Jon Turteltaub · 126 min · drama film, prison film

★ 6.5/10 · 681 ratings on TMDB

In a prison for the criminally insane, deranged anthropologist Ethan Powell is set to be examined by a bright young psychiatrist, Theo Caulder. Driven by ambition and a hunger for the truth, Caulder will eventually risk everything—even put his very life on the line—in a harrowing attempt to understand the bizarre actions of this madman.