Paddington, now happily settled with the Browns, picks up a series of odd jobs to buy the perfect present for his Aunt Lucy, but it is stolen.

Paddington travels 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 through the Amazon rainforest and up to the mountain peaks of Peru.