If you are referring to the episode from The Office , it is actually Season 5, Episode 12 (though often mislabeled in digital collections as part of Season 4).
The central plot follows the fallout of Michael Scott revealing to Andy Bernard that his fiancée, Angela Martin, has been having an affair with Dwight Schrute. [S4E5] The Duel
Below is a brief analysis and breakdown of the episode to help you get started on your paper. If you are referring to the episode from