When Mrs. Mousely asks her class to make valentines, Clayton and Desmond decide to make one together and give it to their teacher as a surprise. But things don't go as planned. First Clayton puts too much glitter on the card. Then Desmond puts on too many hearts. Soon the friends are arguing and they rip the card in half. They both say "I'm going to make my own valentine!" and go home in a huff.
But then Desmond and Clayton realize that by working together they can make the biggest, best valentine ever!