Bess Armstrong

Not long after they cross paths at an art gallery, Ray Reardon, an architect, and hypnotically sensual Lena are married with children. Only then does Ray catch his wife in escalating lies, which leads him to find out that Lena's past is invented and that she has been manipulating him ever since their first "chance" meeting.

While making his nightly rounds in the neighborhood, Patti's pet cat D.C. finds himself the carrier of a call for help from a kidnap victim. Patti enlists skeptical law enforcement help to find the victim before it's too late.

This third film in the series follows a group of marine biologists attempting to capture a young great white shark that has wandered into Florida's Sea World Park. However, later it is discovered that the shark's 35-foot mother is also a guest at Sea World. What follows is the shark wreaking havoc on the visitors in the park.