At school before Parents' Day, Nancy and Bree are on the case when a prized possession goes missing, and Nancy decides to make her guitar teacher and her favorite babysitter fall in love on Valentine's Day.
Jennifer Ecch is determined to go out with Bernie Bridges, but when they're both invited to the All-Night party Bernie comes up with a plan that will finally make her stop pursuing him.
A young boy is reluctant to accept his mom's new friend, Dan. However, when they all go on a road trip together, he finds that Dan is not as bad as he imagined.