20 years after the dimwits set out on their first adventure, they head out in search to find a child Harry never knew he had and the responsibility neither should ever, ever be given. Oh how we laughed.

Mr. Link recruits explorer Sir Lionel Frost to help find his long-lost relatives in the fabled valley of Shangri-La. Along with adventurer Adelina Fortnight, this trio of explorers travel the world to help their new friend.