For decades, the people of Réunion Island peacefully coexisted with the immense ocean and its sharp-toothed neighbors that surround it. But beginning in 2011, something changed. The alarming rate at which shark attacks increased reached the point of a crisis, leaving its citizens perplexed as to what exactly happened and what should be done to combat it. In part one of Surrounded: Island of Sharks, Motherboard investigates the possible ecological and man-made causes of the recent spike in human-shark interaction, and its impact on the evolving complexity of the relationship between man and nature.