After nine months of being pregnant, Lois goes into labor. However, Ida comes over to visit just at this time.
Lois goes into labor while Hal and the boys are at a bridal exposition (which Hal mistaken for car exposition). Ida moves in when her apartment burns down mysteriously and Susan refuses to take her in.
After learning that Ida is a bigot, Francis and Piama enlist Abe and his poker buddies to scare her off. Meanwhile, Malcolm has been accepted to a boarding school in England, but he decides not to go when Hal makes him realize how much his family needs him.
Stunned at the date his parents chose for the baby's planned delivery, Dewey reveals the date is his birthday in an announcement at the exposition to humiliate Hal at the exposition. Even of which, Malcolm had no answer for