The skeleton of a World War II carrier pigeon is found in a pub 's chimney in England . A red canister attached to a leg bone holds a coded message UK agency ' n't crack . Meanwhile , a British museum seeks clues in the bird 's identification numbers .
The skeleton of a World War II carrier pigeon is found in a man 's chimney in England . A red canister attached to a leg bone holds a coded message UK agency ca n't crack . Meanwhile , a pigeon museum seeks clues in the bird 's identification numbers .