Either someone has something to protect, or it's dangerous in there. Challenge the world's best safecracker to defeat a bank vault, and see the methods a bank uses to protect its money and tellers. Travel to New Mexico to find out how the government plans to keep people away from a nuclear waste site for the next 10,000 years. Tour Master Lock to see how padlocks and combination locks are made, as well as how facial recognition, irises, and even vein structure can "unlock" biometric locks. With Customs and Border Protection, watch how officers stop illegals and contraband from entering the U.S. Tour a company that specializes in making products like steel nets to keep out people and vehicles. Visit a command center that monitors all airspace in and around the U.S. Finally, see how cages and other deterrents tell sharks to KEEP OUT!