From beloved Saturday Night Live alum Kate McKinnon comes a madcap new adventure about three sisters, a ravenous worm, and a mysterious mad scientist.Gertrude, Eugenia, and Dee-Dee Porch do not belong. They don't belong in the snooty town of Antiquarium, where the only dog allowed is the bichon frise. They don't belong with their adoptive family, where all their cousins are named Lavinia.

And after getting kicked out of the last etiquette school that would take them, the girls expect to be sent away for good... until they receive a mysterious invitation.Suddenly the girls are under the tutelage of the infamous Millicent Quibb - a mad scientist with worms in her hair and oysters in her bathtub. Dangerous? Yes! More fun than they've ever had? Absolutely! But when the sisters are asked to save their town from an evil cabal of mad scientists, they must learn to embrace what has always made them stand out - before it's too late!