When Tootie stumbles upon elementary school IQ results ordered by their headmaster, the girls are stunned to find out that their scores don't necessarily match their current academic reputation.
To the chagrin of the headmaster, Mrs. Garrett holds a sex education class. Meanwhile Blair gets into a compromising situation with a boy and has to make a tough decision.
A serious flood hits Peekskill, so Blair and Tootie rush to the stables to protect the animals, only to become trapped there. When Mr. Bradley rescues them, Blair develops a case of hero worship which she mistakes for love.