Rush to the surface as fast as you can.

Straight back down again.

And it's like, "Okay, now, this is too crazy."

Somehow she's managed to maneuver herself into the least dangerous place,

and that's on the shark's back.

The shark tries to shake her off and is swimming away.

Takes a few seconds to figure out,

"What the hell's going on here?"

But you can immediately tell

she's now got the upper hand.

[mellow music playing]

As the shark goes near some of the thick kelp...

she just pushes off the back...

drops the remaining shells

and jets away.

And the shark, it's just been completely outwitted.

The shark comes, does one pass,

but she's completely safe. There's nothing it can do.

And it leaves.

How she can think that quickly and make those life-and-death decisions,