Pam tries to find out who vandalized her mural, Darryl finds out that Jim is a slob, and Oscar and Kevin go to Angela and The Senator's child's first birthday party.
Darryl works more at Jim's company and finds out Jim is sloppy. Pam's mural gets vandalized so Dwight and Nellie try to find the vandal. Brian, the boom operator, gets fired for coming to Pam's defense. Angela and Robert host a party; Oscar is invited.—Bernie