After Paula confesses her secret, Ellen thinks she has proof that Paula is disturbed - but no one else sees it her way.
Ian thinks that Ellen is being insensitive and paranoid. The office turns against her and she is forced to leave for good, and when she tries to put Paula behind her Paula isn't willing to let go.
When Ellen encounters Paula's mysterious ex-colleague Georgia at an interview, Paula retaliates by driving a wedge between Ellen and her husband, questioning the paternity of their baby daughter.
After a catastrophic celebration at the new building, Ellen faces a fight not only for her career, but for her family as well.