01E13 - Ita Missa Est

In the season final, Don's mental disorder worsens as he wonders into the desert, haunted by visions of Holt, Kira, and his own evil self urging him to kill Lucy. Back in Los Angeles, Lucy feels her job is in jeopardy when a rival tabloid magazine editor, named Tina Harrod, arrives wanting to apply for her job. Meanwhile, Willa investigates the death of a fashion model during a high profile runway show, while Brent finally decides to move on and begins to focus his attention on another sexual conquest: Lucy. Elsewhere, Holt moves out of Julia's house while she finally learns about his romantic involvement with Lucy leading the unbalanced Julia to take matters into her own hands. Also, Lucy's stalker is finally revealed.