Now to the terrifying shark attack caught on tape. A newly wed has a shocking brush with danger when a great white goes after him. Abc's nick watt tells us about the narrow escape. Reporter: The guy... See More
Now to the terrifying shark attack caught on tape. A newly wed has a shocking brush with danger when a great white goes after him. Abc's nick watt tells us about the narrow escape. Reporter: The guy in the cage just got married the day before. There's bait in the water. And there's a great white shark. Holy smokes. That is not supposed to happen. The jaws are inside the cage. And there's blood in the brine. Brian plumber filmed the terrifying scene. Just for a few seconds, you just -- you can't help but think the worst has happened. When they get the scent of blood or fish if the water they can go into quite a frantic feeding type frenzy. They devour and hit everything in the path. Reporter: Amazingly, the happy honeymooner emerged unscathed. With nothing but a story to tell the grandkids about. Just avoid where the shark had access to. Very quick thinking on his part. Reporter: Just watch again. Way too close. I've been cage-diving in the exact same shark-infested waters. The view is extraordinary. Absolutely . Just that far away. Oh. Critics say we shouldn't be baiting the water, enticing these eating machines into human contact. I dived to confront my greatest fear. Sharks in a safe way behind bars. After watching this video, not sure I'll ever do it again. For "good morning america," nick watt, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.