Neil Gross of internet giant Chum Hum, seeks Lockhart & Gardner's help in fighting the NSA regarding its recently leaked PRISM surveillance program. The NSA, while actively eavesdropping on the firm's phone calls, discovers a possible link to terrorism in a former client of theirs. Alicia is visited again by her mother, who offers her help unexpectedly. Diane Lockhart, still being sought by Governor Florrick as his nomination for Supreme Court Justice is placed in a very difficult position as she is asked to disavow Will Gardner's past actions. Meanwhile, Eli tries to locate a golden gavel belonging to the Governor only to discover an old adversary has taken it.