Michael's world is rocked by troubling rumours about Dunder Mifflin. He forces the office into a day of strange diversions, upsetting Jim and leading others to wonder if Michael has gone insane. Andy finds that his chief obstacle in courting Erin is his own awkwardness.
Michael is outraged when Jim allows Phyllis to be Santa at the office Christmas party. Jim and Dwight try to get everyone into the holiday spirit despite the uncertainty with Dunder Mifflin. Meanwhile, Oscar has a secret crush.
Michael is forced to face the music after he realises he can't keep a promise he made to a group of kids 10 years ago. Meanwhile, Jim starts an employee of the month programme to increase employee morale.
Michael has big plans for his 15th anniversary party at Dunder Mifflin, but is in for a shock when the new, no-nonsense vice president has some ideas of his own. Meanwhile, Jim's prank on Dwight has some unexpected results.