Bradley, Brian, Nate, and Lucy follow clues to find whoever left a rabbit in their first-grade classroom on Valentine's Day, because they are worried the rabbit will get sick and die of loneliness.
Amanda plans to boost her friend Walter's popularity by stuffing the fifth-grade Valentine's Day box, but the results are far more successful than she dreamed, leaving her to wonder about the wisdom of her actions.
Charlie Brown is excited for Valentine's Day. It's the perfect excuse to finally talk to the Little Red-Haired Girl. He's ready to wear his heart on his sleeve-and so are the rest of the Peanuts gang. Will they find love once and for all? With Snoopy's help, anything is possible.