John Ellison Conlee

Andy and April host a dinner party for all their friends, Ben asks Leslie for some career advice, and Ann tries her luck at a singles party.

Leslie goes all out to save a gazebo at a mansion on the historical register from being destroyed, while April gets in trouble with Ron when she accidentally schedules 93 meetings for him on the same day.

The search for a serial killer known as "The Woodsman" might help the NYPD find one of their own.

The team hunts for a person who jeopardised a classified vaccine project, and Deeks must deal with his emotions as he returns to the field.

Into The Mystic: Bull and the TAC team question whether they have a solid defence when they represent wealth manager Rachel Elliot who's on trial for her husband's murder, which she claims to have no memory of due to an alcohol-induced blackout. When Rachel's reputation for aggressive behaviour threatens to hurt them in court, Bull avoids jurors with "rage bias," an inherent dislike of people who can't control their emotions. (S4, Ep6)

Diane settles in as a new partner at Reddick, Boseman and Kolstad. Maia deals with fallout from the financial scandal, but picks up a new case with Lucca.