The film follows the Lamberts ten years after the last installment, as Dalton begins college.

In this feature adaptation of Beatrix Potter's classic tale, Peter's feud with Mr. McGregor escalates to greater heights than ever before as they rival for the affections of the warm-hearted animal lover who lives next door.

Annie's life is a mess. But when she finds out her lifetime best friend is engaged, she simply must serve as Lillian's maid of honor. Though lovelorn and broke, Annie bluffs her way through the expensive and bizarre rituals. With one chance to get it perfect, she'll show Lillian and her bridesmaids just how far you'll go for someone you love.