Dani, a 9 year old boy, has a dog named Pirata; a large black Newfoundland. One day Pirata suffers a fatal accident. Danis life takes a tragic turn, but Pirata returns from the other side as a ghost. The whole family moves to Veracruz City. In Veracruz the family meets Paddy OBrien, the watchman who takes care of the old lighthouse. The boy and the old man form a great friendship, in part because not only is Paddy able to see Pirata, but he teaches Dani to see him.
When Sid accidentally destroys Manny's heirloom Christmas rock and ends up on Santa's naughty list, he leads a hilarious quest to the North Pole to make things right and ends up making things much worse.
For Nick (Jason Bateman), Kurt (Jason Sudeikis) and Dale (Charlie Day), the only thing that would make the daily grind more tolerable would be to grind their intolerable bosses (Kevin Spacey, Colin Farrell, Jennifer Aniston) into dust.