Wealthy businessman Zsa-zsa Korda appoints his only daughter, a nun, as sole heir to his estate. As Korda embarks on a new enterprise, they soon become the target of scheming tycoons, foreign terrorists, and determined assassins.

The residents of a rural mining town discover that an unfortunate chemical spill has caused hundreds of little spiders to mutate overnight to the size of SUVs. It's then up to mining engineer Chris McCormack and Sheriff Sam Parker to mobilize an eclectic group of townspeople, including the Sheriff's young son, Mike, her daughter, Ashley, and paranoid radio announcer Harlan, into battle against the bloodthirsty eight-legged beasts.

Three sisters return to their home for the third wedding of their twice-widowed mother. But the mother and daughters are forced to revisit the past and confront the future, with help from a colorful group of unexpected wedding guests.