The entire warehouse staff quits after winning the lotto, leaving Andy and Darryl to scramble for replacements while several of the office workers get a taste of the warehouse life.

Dwight installs a Doomsday device that will fire all of the employees and effectively close down the branch if they make too many mistakes. Meanwhile, Gabe attempts to court the new warehouse worker, Val.

Pam trains an attractive temporary worker to take her place while she is on maternity leave, and enlists Dwight's support when she tries to show that Jim finds her replacement attractive. Meanwhile, Robert California surprises Andy, Kevin, and Darryl when he requests to join their band.

Robert California brings his wife into the office for a job, and tells Andy behind her back not to give her one which turns disastrous. Meanwhile, Dwight opens a gym in the building and tries to get Darryl to join it.

Andy attempts to make everyone's Christmas wishes come true, including those of a drunken Erin. Meanwhile, Dwight and Jim are entangled in an escalating prank war wherein one attempts to frame the other.

After Robert decides to sell his mansion following his divorce, Kevin suggests that he have an office pool party. Erin tries to make Andy jealous by flirting with Dwight. Meanwhile, Robert gives everyone a tour of his massive home.

Jim returns from jury duty, only to have to deal with Dwight's pesky questions about the details of the case. Elsewhere, Angela and her senator beau welcome their baby.

Dwight scores a special assignment at Sabre's Florida headquarters. As a result, he and Andy must decide which Scranton staffers will join him. Elsewhere, Pam returns from maternity leave.

A power play unfolds in Tallahassee when Dwight and Todd Packer compete to become Nellie's vice president. Meanwhile, Jim receives an unwelcome visitor, and Andy forces the Scranton staffers to work late.

Dwight offers free family portraits, and a stolen diaper leads to a high-speed car chase. With help from David Wallace, Andy goes undercover to try to get his job back. A new business opportunity arises for Robert California.

A toast at Roy's wedding leads to Pam and Jim searching their relationships for buried secrets; Dwight reacts to Nellie's mandatory charity initiative.

Pam accidentally brings lice into the office and lets Meredith take the fall, while Dwight vows to destroy the parasites. Meanwhile, Jim has a fantastic day in Philly wooing a potential business associate. Meanwhile, Phyllis, Nellie and Kevin meddle in Darryl's love life.

Pam’s warehouse mural is defaced. Darryl has difficulty dealing with the Jim's cleanliness habits in their apartment. Angela grudgingly allows Oscar and Kevin to attend her son’s first birthday party.

One year later, Dunder Mifflin employees past and present reunite for a panel discussion about the documentary and to attend Dwight and Angela's wedding.