When their father dies, Lynn and her younger brother David have to move in with their grandparents. Their mother died already when they were young, so they were told. One morning a dead man is found near their new home. A friend tells David, that it's not the first. Shortly after he sees his grandparents carry a body into the garage - are they the murderers? David calls the sheriff.
Five years after they defeated Zuul, the Ghostbusters are out of business. When Dana begins to have ghost problems again, the boys come out of retirement to aid her and hopefully save New York City from a new paranormal threat.
An Australian couple take a sailing trip in the Pacific to forget about a terrible accident. While on the open sea, in dead calm, they come across a ship with one survivor who is not at all what he seems.
In the opening chase, Martin Riggs and Roger Murtaugh stumble across a trunk full of Krugerrands. They follow the trail to a South African diplomat who's using his immunity to conceal a smuggling operation.