Tita is a 12 year old girl that takes care of her little brothers because her mother is an alcoholic. She is being sexually abused by her mother's boyfriend, who is a great man in the eyes of everybody in the neighborhood. This particular day she takes matters in her owns hands.
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.
There is a new criminal mastermind at large--Professor Moriarty--and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.
The movie is centered on a couple, Nader and Simin, and their 11-year-old daughter, Termeh. Nader and Simin are about to leave the country for good; however, Nader has a change of heart and decides to stay and look after his father who suffers from Alzheimer's disease.