The City of the Dead, in Cairo, is the biggest necropolis in the world. One million inhabitants live there: in the tomb houses or in the buildings that have grown up around the tombs. We can find bakeries, coffee shops, markets, school for the children, mechanics for the cars. Everything inside the cemetery. The City of the Dead is gigantic but it feels like a small village. Mothers want to marry their daughters, boys keep chasing the girls. These things never change. It doesn't matter if you live in a big city, in a village or in a cemetery.
Mumble the penguin has a problem: his son Erik, who is reluctant to dance, encounters The Mighty Sven, a penguin who can fly! Things get worse for Mumble when the world is shaken by powerful forces, causing him to brings together the penguin nations and their allies to set things right.
Hugo is an orphan boy living in the walls of a train station in 1930s Paris. He learned to fix clocks and other gadgets from his father and uncle which he puts to use keeping the train station clocks running.