A group of teens fights for their lives as they find themselves trapped in a fun-house, stalked by a killer clown who won't rest until every last one of them is dead.

The new installment of the Sharknado franchise takes place 5 years after Sharknado 3: Oh Hell No! There have been no Sharknados in the intervening years, but now they’re appearing again in unexpected ways.

Told in flashback from the perspective of Megan, the storyline unfolds when her commitment to faith and family is renewed after reading the blog of Julie Locke, the online journal that Julie kept after her 13 months old Dax was diagnosed with Acute Myeloid Leukemia (AML).