Andrea learns that a teacher's aide at Amelia's school is being cheated on and debates whether to tell her. And, when Amelia spends the night at her grandfather's place, Andrea is forced to have an uncomfortable conversation.

Andrea realizes she has to end a friendship that's gone on too long and a lice breakout at Amelia's school hits home.

Andrea tries to get her friend Jennifer to open up about her divorce, and Andrea and Mike explore new territory in their relationship.