As they look at the causes of shark bites on people, a global team of researchers look for hints. As the evidence grows, they do data analysis in a state-of-the-art VFX shark lab to determine precisely why sharks attack.

From America's coastlines to exotic beaches around the world, shark attacks are becoming more unpredictable. Many of these attacks occur suddenly, in large numbers and in unexpected locations — puzzling locals and scientists alike. Experts investigate these mysterious incidents to discover what is affecting some of nature’s most feared fish.