Karen James

While Gavin Belson begins to hype Nucleus, a competing compression platform, Richard learns that the name Pied Piper is already registered to a sprinkler company, forcing him to negotiate. Meanwhile, Erlich goes on a vision quest to think up a new company name, and Peter Gregory proves elusive when asked for money by one of his companies.

When Christy’s car dies, Bonnie refuses to let Adam loan her money for a new one, on the 100th episode.

Louis discovers that Cattleman’s Ranch has been given a poor grade on a restaurant review website called “Phil’s Phaves,” and petitions the reviewer for another chance, but is dismayed to learn that “Phil” is Eddie’s nemesis, Phillip Goldstein. Meanwhile, Eddie is stressed out about calling his girlfriend, Alison, on the phone, so he decides to record a mix-tape for her instead. Eddie’s troubles increase when another girl – who has an unrequited crush on him – gets the mix-tape by accident.

When ballistics tie a recent murder case of Rush's to a serial killer who was seemingly inactive for 27 years, Diane Yates, a tough, no-nonsense FBI agent who was responsible for the end of Stillman's marriage, shows up to enlist the team's aid in finding the killer who has eluded her for 30 years.