Five college friends, including Sarah, her ex-boyfriend Josh, his new girlfriend Amy, Sarah’s best friend Emily, and her boyfriend Zach, embark on a road trip to the location of the infamous 'mangrove slasher'.
After getting lost in the woods, they stumble upon an abandoned circus tent. As they explore the circus, they notice that things are not quite right - the clowns seem to be alive and watching them.
Soon, they realize that they are being pursued by a group of cannibal clowns who will stop at nothing to get their hands on them. They must fight for their survival and attempt to make it out of the tent alive.
As they try to escape, they come across some disturbing secrets about the circus and its previous performers, including the notorious 'mangrove slasher'. The group must stick together and use their wits to outsmart the killer clowns and survive the night.
With a combination of horror, comedy, and suspense, Big Top Evil is a thrilling ride that leaves you on the edge of your seat until the very end.