His friend's partner, Dr. Craven, is testing an unapproved drug for cancer treatment on local residents. Steven is outraged and heads into the hospital to look at everyone's charts, which is confusing since he's a marine biologist and not a doctor.
The local fishermen and business owners are being negatively affected by the shark attacks, and there are many foreclosures in town. Add the tribesmen who do not want anyone bothering the sharks, and everyone is on edge and ready to snap.
The villains are easy to spot and the outcome is predictable. The sharks are in separate footage from the actors. There is no carnage other than the gross looking photos of shark attack victims.