Erin checks the calendar and realizes that the office's annual Christmas party is today, but no one has made any plans for it. Wanting a party everyone suggests ideas for a theme: tropical, topless, etc. Because there is no agreement Angela calls an emergency meeting of the Party Planning Committee. After careful consideration, they agree to proceed with Dwight's concept: a traditional Pennsylvania Dutch celebration where he appears as "Saint Nicholas' rural German companion Belsnickel."
Andy (Ed Helms) discovers that he may be a distant relative of Michelle Obama. His elation turns to embarrassment after his employees jump to some negative conclusions about his family. Meanwhile, Pam (Jenna Fischer) bonds with Nellie (Catherine Tate), leading to an emotional and surprising confrontation with Jim (John Krasinski).
Jim and Pam get a surprising invitation to Roy's wedding only to discover that a lot has changed with Roy. Meanwhile, back at the office, Andy and Erin prepare for a Dwight Jr's audition and someone tries to interfere.
The office has two new faces, Clark (Clark Duke) and Pete (Jake Lacy). When Clark gets the nickname "the New Dwight" and Peter becomes "the New Jim," it causes existential crises on the part of both Dwight (Rainn Wilson) and Jim (John Krasinski). The two older workers have to figure out their future plans at the Scranton branch.moreless
Dwight gives the Scranton branch workers free family portraits. Robert gets a great new opportunity. Andy poses as a janitor in his attempt to rejoin Dunder Mifflin.
A drunken Robert shutters a close by Dunder Mifflin branch, leading to Dwight and Jim teaming up to get their clients. Meanwhile, Andy plots his return to the Scranton branch.
Andy returns to Scranton to find his manager's position usurped by Nellie. Kelly is surprised to learn she finds another man to be more perfect than Ryan.
Robert forces the Scranton branch to host a welcome party for Nellie, but the planners aren't so willing. Erin and Andy role play his break-up from Jessica.
Jim tries to warn Dwight when he learns Robert plans to slam the Sabre Store concept. Andy discovers Erin won't be returning to Scranton. Toby and Darryl compete to sell cookies to Kevin.
Dwight goes to great lengths to impress Nellie with an overblown demonstration of the new Sabre Store. Meanwhile, Andy's embarrassing injury leads to a Scranton branch self-defense class from Toby.
Andy forces the remaining Scranton staff to work overtime to make up for all the people in Tallahassee, where Dwight and Packer vie to be Nellie's vice president.
Dwight is chosen for a task in Tallahassee and needs to pick some Scranton staffers to come with him. Pam comes back from maternity leave. Darryl tries to decipher a Valentine's Day gift from Val.
When Oscar reveals a trivia contest in Philadelphia has a $1,000 prize, Andy has the office go to raise money to buy up paper to meet quarterly sales expectations. Dwight goes to Sabre HQ in Florida to look for a new job.
Andy tries to quash the endless pranking between Jim and Dwight. Robert tries to drink away his blues at the office Christmas party, while Erin lets her feelings out after a few too many drinks.
Andy is put in an awkward position when Robert tells him not to hire his wife, who's hoping of getting a job in the office. Dwight tries to convince Darryl to join his fitness center.
Andy hopes to inspire the staff by taking them on a trip to Gettysburg. Meanwhile, those who stay behind in Scranton are prodded by Robert to come up with great ideas for the company.
Dwight starts a doomsday device that counts down employees' mistakes, with them all getting fired if it reaches zero. Gabe takes a liking to a warehouse employee.
Erin desperately tries to create the exact Halloween party that Robert and Andy envision. Meanwhile, Jim is aghast to discover Pam believes in ghosts, and Dwight and Robert's son strike up a friendship.
The warehouse workers quit after winning the lottery, leaving the upstairs staff to dream of winning big while searching for new employees and temporarily taking on the warehouse jobs themselves.