In this delightful movie tie-in, Paddington Bear is happily settled with the Brown family in Windsor Gardens and is a beloved member of the community. When he finds the perfect gift—a unique pop-up book—for Aunt Lucy’s 100th birthday, Paddington sets out to buy it. But when the book is stolen, Paddington is wrongly accused of the crime.
 
As he faces a series of comical and challenging misadventures, his friends and neighbors rally to prove his innocence and catch the real thief, the flamboyant Phoenix Buchanan.