Having been humiliated in open court when Daniel Purcell recanted his testimony, Patty decides she is going to go after Walter Kendrick and UNR. The first step is to stop a merger UNR is contemplating. Patty has a good case to put to Federal officials but she is outmaneuvered. Ellen weighs accepting a dinner invitation at Patty's apartment; this would be her first time there since the attempt on her life. Her FBI handlers want her to go and wear a wire. When Ellen later tells them she is being followed, they tell her the sting may be over. Uncle Pete believes that Ellen is the biggest threat against Patty suggests that she something about it. He also gets her more information about the infant mortality case. We learn the identity of Ellen's attacker. Daniel Purcell puts his house up for sale and in flashbacks, the identity of his wife's killer is revealed.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Ellen returns to Patty's apartment for a party to celebrate Tom's tenth anniversary at the firm. Patty and her son Michael argue over the fact that Michael writes about his father, Daniel Purcell, in his college application essay. Ultima announces a proposed merger—Patty tries to get an environmental officer to delay the merger (by showing him Daniel Purcell's original report). Patty's husband Phil is revealed to be having an affair. Phil assists Patty by looking through Ultima's proposed merger and realizes that Ultima is actually over-paying for this acquisition, thus leading Patty to suspect that Ultima is after something else. The FBI and Ellen hatch a plan to make Patty trust Ellen even more. In the future timeline, Ellen is shown meeting with Wes, who before ordered someone to follow Ellen and having connections with Ellen's late fiancé's killer.