Are you troubled by strange noises in the middle of the night? Do you experience feelings of dread in your basement or attic? Have you or any of your family ever seen a spook, specter or ghost? If the answer is yes, then don't wait another minute. Pick up your phone and call the professionals. But WHO you gonna call? Only one of the four original Ghostbusters can be the best, and it's up to Mark and Hal to decide.