Karen is having her first sleepover! She and her friends are going to tell spooky stories, bake cookies, and raid the refrigerator. But then Karen and Nancy get into a big fight, and Karen doesn't want Nancy to come to her party. A new girl, Pamela, comes instead and she isn't any fun. What is Karen going to do?

Lincoln Loud enjoys living the double life--mild mannered middle school student by day, and would-be fledgling super-secret agent by night, following in the footsteps of his comicbook idol, Secret Agent David Steele. Missing homework? Wicked shadow company M.A.L.I.C.E. must be behind it! A change in the lunch menu? This is a job for a super spy! But when Lincoln and his best friend Clyde McBride aren't spying on M.A.L.I.C.E. at school, they are trying...