"Stairmaggedon" strikes the office when the elevator goes out and everyone is forced to take the stairs. Dwight (Rainn Wilson) forces Stanley (Leslie David Baker) to do an important sales call. Pam (Jenna Fischer) and Jim (John Krasinski) find comfort in talking with Nellie (Catherine Tate) and Toby (Paul Lieberstein) about marital troubles. Meanwhile, Angela (Angela Kinsey) stands by her man.

Coop sets Georgia up on a date with Eddie; Grace attends her first session; a man refuses to leave the emergency room.

Trent and the team must protect comic book authors from a terrorist group.