The Gulf of Mexico is home to thousands of gas and oil platforms, in addition to some of the planet's most severe storms. So who do you call when a well or platform stops producing, or is toppled by a massive storm? Meet the Delta Divers, a team of highly skilled underwater adventurers who descend where few dare to go to - 300 feet below the water's surface. We'll join them on the dive barge "Southern Hercules" as they head out to repair an aging subsea oil well.