A simple act of kindness always sparks another, even in a frozen, faraway place. When Smeerensburg's new postman, Jesper, befriends toymaker Klaus, their gifts melt an age-old feud and deliver a sleigh full of holiday traditions.
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.
The eccentrically macabre family moves to a bland suburb where Wednesday Addams' friendship with the daughter of a hostile and conformist local reality show host exacerbates conflict between the families.