When Susan Murphy is unwittingly clobbered by a meteor full of outer space gunk on her wedding day, she mysteriously grows to 49-feet-11-inches. The military jumps into action and captures Susan, secreting her away to a covert government compound. She is renamed Ginormica and placed in confinement with a ragtag group of Monsters...

Newly engaged, Ben and Sadie can't wait to start their life together and live happily ever after. However Sadie's family church's Reverend Frank won't bless their union until they pass his patented, "foolproof" marriage prep course consisting of outrageous classes, outlandish homework assignments and some outright invasion of privacy.