Global explorer Josh Gates travels back in time and dives into the history behind some of the world's most infamous shark encounters, from the earliest known shark attack to the mystery surrounding the shark feeding frenzy faced by sailors following the sinking of the USS Indianapolis in remote waters. He also investigates the legendary "Stronsay Beast," a mysterious creature that washed ashore in Scotland in 1808, long thought to be a sea monster. But could it in fact be the remains of a massive shark?