EverythinginhighschoolisliketheworldendingandSadieMitchell'scripplingfearofthecomingapocalypseistheheightenedversionofthat.Undeterredbythenaysayers,Sadiehastwoweekstoreadyherselfbeforedoomsday.Sheneedstomastersurvivalistcuisine,learntosew,butthereareotherthings...personalthings:gotoahighschoolparty,kissaboy,andmostimportantly,getherbestfriendback.