The Replacement - Season 1 Episode 3

After Paula confesses her secret, Ellen thinks she has proof that Paula is disturbed but no one else sees it her way. The office turns against Ellen and she is forced to leave for good. She tries to put Paula behind her but Paula isn't willing to let go. When Ellen encounters Paula's mysterious ex-colleague at an interview, Paula retaliates by driving a wedge between Ellen and her husband. After a catastrophic celebration at Ellen's finished building, her family as well as her career face ruin.