The beloved but confused canine heroine of "Olive, the Other Reindeer" is back! But this time she's not heading off to the North Pole to help Santa... This time she's out to return a one-of-a-kind lost object: a heart. And not just any heart, but a heart as large as Olive's own. In her search to find its one, true owner, she makes the acquaintance of a cast of characters who show her what it truly means to give all of one's love.