It is an oceanic phenomenon which inspires worldwide awe and terror. Every culture that witnesses this rare spectacle has its legends of monsters of the deep, seizing seafarers and dragging them to their doom. But what are the scientific facts behind the legend? Why have we never seen an oceanic whirlpool, even on television? Equinox travels world wide in search of the extreme oceanic currents which give rise to whirlpools. Until now, these dangerous waters have remained almost entirely unstudied, unrecorded. Those who have seen them in full fury have rarely survived to tell the tale. Now, we venture into the eye of the Maelstrom to capture unique footage of the world’s most lethal seas, showing the whirlpool in all its mighty grandeur.