A documentary on the expletive's origin, why it offends some people so deeply, and what can be gained from its use.

In Cameron, a group of hunters is attacked by a wild animal, and Charlie Cowley survives, but sees his brother Scott dying. Seven years later, his teenage nephew Derek Cowley steals the key of his stepfather's cabin in the isolated Fire Road 13, and travels with four classmates and his friend Sam to spend the weekend having a party with booze and sex. However, they are attacked by a Beast that kills his friends in a sadistic way. Sam and Derek survive, and they suspect that his stepfather, Mitchell Toblat, is a werewolf. When Charlie meets Derek and Sam, they decide to collect evidence to prove that Mitchell is the Beast and kill him, but Mitchell discovers their plot and chases the trio.

English colonists arriving on Roanoke Island in 1587 find the fort built years before deserted. Soon after, members of the colony begin to die in horrible ways. Before returning to England for provisions, leader John White puts his son-in-law Ananais Dare in charge, and Dare realizes the island is haunted by Norse spirits. Enlisting the aid of a friendly Native American, Dare attempts to free the spirits from their earthly captivity before the entire colony is lost.