Paddington returns to Peru to visit his beloved Aunt Lucy, who now resides at the Home for Retired Bears. With the Brown family in tow, a thrilling adventure ensues when a mystery plunges them into an unexpected journey.
Paddington, now happily settled with the Brown family and a popular member of the local community, picks up a series of odd jobs to buy the perfect present for his Aunt Lucy's 100th birthday, only for the gift to be stolen.