Harley's Slushy Shack faces new competition which escalates into a full-scale slushy war.
A nefarious virus is uploaded to Walter's computer, turning the team's new "smart" building project into a death trap with people locked inside.
Ms. Snap and Ms. Bennigan's relationship is tested when Ms. Bennigan and Hot Dad become official. Ms. Feldman and Mrs. Adler go on the hunt for Fillmore's most disturbing troublemaker.
