When four brothers were kidnapped by a renowned professor, Dr. Paradigm, they were used as guinea pigs in an attempt to see the results of some genetic experiments. However, the four young men displayed unbelievable results, as they had seemingly mutated into an advanced species of shark that could live above water. They escape from Dr. Paradigm’s prison and they make their way out of the city to avoid the police, though they must work together to bring down Dr. Paradigm in hopes of preventing him from causing more harm to more innocent individuals.