Arthur's wrong guess about the identity of the secret admirer sending him valentine messages leads to teasing by the other children, but clues in additional messages allow him to get his due.

After they have a falling out, Arthur and his best friend Norman make up with very special valentines.

Thomas is delighted to draw Gretchen's name to be the recipient of his valentine at school, but then he worries that she does not like him.

When Marvin shows Milton how to make valentines, they decide to make one for each person in their neighborhood.

Sam's friend Mary Ann helps him make a special valentine for Tiffany, but when Tiffany does not even notice it, Sam realizes who is really special. Includes facts about the history of Valentine's Day.

Victor, a valentine card eager to be brought home, is overlooked until he marches out of the store and into the street, where he proves helpful to one person after another.

Maggie, her grandmother, and the sewing circle make Cranberryport a brighter place for Mr. Whiskers when they send him secret valentines.

Sam's mean valentine for Amy Lou goes astray at school and almost ruins the day for him and his friends.

Franklin celebrates Valentine's Day in his own way after he loses the cards he made for his friends.

Tino and Teeny, two love-struck bunnies, leave letters for one another in a hollow log which is home to a family of mice who, once they realize they have destroyed the love letters, make a patchwork Valentine for the bunnies.