Valentine's Day in Maplewood is usually filled with candy, cards, and endless smiles, but this year, a strange silence has settled over the town. Kindness is fading, colorful cards are vanishing into thin air, and classrooms are feeling unusually gloomy. While most people ignore the shift, Calvin and his highly perceptive beagle, Pudge, know that something is deeply wrong. As they investigate the disappearing cheer, the duo uncovers a mystery that goes far beyond stolen decorations. They realize that saving the holiday requires more than just recovering lost paper hearts; it is about finding the right words to share and understanding the power of empathy. This gentle, heartwarming mystery reminds readers that courage does not always require a grand adventure, and that even the smallest voices can heal a broken community. Join Calvin and Pudge as they discover that true kindness is the greatest rescue mission of all.