Who ya gonna call... Ghostbusters! When the University downsizes the parapsychology department, Doctors Venkman (Murray), Stantz (Aykroyd), and Spengler (Ramis) make the leap from scientists to Ghostbusters, investigators and exterminators of paranormal pests! When the bewitching Dana Barrett (Sigourney Weaver) discovers her refrigerator has become a portal into the spiritual dimension, our heroes come face to face with an ancient evil force with plans to raise hell in Manhattan.