Ten-year old Agathe-Christine, or simply AC, prefers to be on her own. AC fancy mysteries, and from the basement in the building, where she has just moved in, she has established a small detective bureau. AC´s first mystery appears to be simple to solve, but before long AC finds herself involved in a much more complicated affair, than she could have ever foreseen.

This film introduces us to Hugo, a one-of-a-kind animal who lives in a jungle. Youthful and carefree, Hugo is prone to playing practical jokes on his friends, Zig and Zag the monkeys. His idyllic lifestyle is interrupted when he is captured by CEO of a famed movie company, Conrad Cupmann, to be co-star in a Hollywood-style film. In order to return from Copenhagen to his jungle home, he must escape with the help of a newly found friend, Rita the fox.