Someone sends Jonathan a snarky e-mail. Two naked students, apparently making love at the time, fell off the roof of a campus building in Chicago and were killed. Jonathan is appalled that anyone could find this funny. In the painfully true opening scenes of "In Memoriam," he cannot get the deaths out of his mind. He's driven to begin what he calls an "investigation" into who the students were and what led them to the rooftop.
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.