When Lindy's smoothie creation makes it to the Rumblejuice menu, she sets out to make her drink a bigger splash in Chicago. Meanwhile, Garrett goes undercover to solve a popcorn conspiracy at their neighborhood movie theater.

While most of the gang is preoccupied with their dates to the school dance, Lindy is busy dodging her arch nemesis, Sherri, and her wild attempts to achieve the school's perfect attendance record.