The opening of a time capsule buried at the zoo a century ago, forces the penguins, Julien, Maurice, Mort, Marlene and Fred into a search for the legendary cursed treasure of the Golden Squirrel, which they must find and destroy before the rats claim it for themselves, but matters are complicated when the treasure includes a curse that will drive those who seek it to fight each other until one who is "pure of heart" claims the treasure.
—Anonymous