Fin, his family and the cosmos have been blissfully sharknado-free in the five years since the most recent attack, but now sharks and tornadoes are being whipped up in unexpected ways and places.
When a freak hurricane swamps Los Angeles, nature's deadliest killer rules sea, land, and air as thousands of sharks terrorize the waterlogged populace.
With much of America lying in ruins, the rest of the world braces for a global sharknado, and Fin and his family must travel around the world to stop them.