A crazy scientist locks up a group of people by dividing them into two groups, the guards and the prisoners. As time goes by, insanity checks in, making the guards go full Nazi on the prisoners. Things escalate every minute and a sense of danger and violence seem persistent.
This is not a thrilling movie narration. It was a very real psychological experiment done by Psychology Professor Philip Zimbardo at Stanford University in 1971.
As crazy as this experiment may sound, wait until you hear about many crazier experiments that have had a great impact, both good and bad, in the field of psychology.
Here is a compilation of some of the mind-blowing psychological experiments.