It's a story so incredible that Clint Eastwood adapted it for his movie, Escape from Alcatraz. In 1962, three dangerous convicts dove into the frigid waters of San Francisco Bay in a bid to escape the notorious Alcatraz prison. They were never seen again. Did they find freedom? Or an icy death in the treacherous currents? Incredible new evidence, along with exclusive intervlews with former inmates and guards, may finally reveal the answer to The Rock's greatest mystery!