Andrew Peardew collects things dropped or left behind by others and writing stories about them. He does this as a tribute to the fiancée who died the day he lost one of her keepsakes. When a dying Andrew bequeaths his estate to his assistant, Laura, she begins to bond with new neighbors while attempting to reunite the objects with their owners.

While the Petersons are enjoying a winter picnic at Loon Lake Park, Lizzie rescues a lost puppy in trouble and then sets out to find its owner.

Upon finding a toy rabbit in the forest, Bear tries his very best to return it to its home but by the time its owner appears, Bear has become attached to Bunny.

Though it means Nate can't get his dog ready for the smartest pet contest, he agrees to search for the missing prize for the contest.

On a class trip to the birdhouse, Pinkalicious discovers that the parakeet has escaped and tries to bring the bird back home.

As Nate the Great sets to work on his first international case, he searches for a lost "something" and saves the King of Sweden from a troublesome traveler.

"Little Critter is searching for a missing sock all over the house, the yard, and the neighborhood. But even he is surprised by all the lost treasures he finds during his hunt!"--From publisher's web site.

After searching high and low for his missing pants, Belbum the giant asks his friends if he can borrow their trousers, but when none of the clothes fit him he realizes there is only one thing left for him to do--walk to the tailor in town with no pants on.

Penny feels guilty after taking a beautiful blue marble that she sees in Mrs. Goodwin's grass, but gets a pleasant surprise when she goes to return it the next day.

Gossie is a gosling who likes to wear bright red boots every day, no matter what she is doing, and so she is heartbroken the day the boots are missing and she can't find them anywhere.