It’s Valentine’s Day and Daddy surprises Mommy with a bouquet of roses at breakfast. Caillou is intrigued by the cupid on his card from Mommy. At playschool the children make valentines for all their friends. Caillou imagines he’s cupid when he is delivering his cards to the appropriate mailboxes, but is upset to find he’s lost his special card for his best friend Leo. Luckily, with Miss Martin’s help he makes a new one and Leo really likes it!