Patrick Jane and the CBI team investigate the murder of a mobster who was in the witness protection program.
Masters and Johnson adjust to their new partners, but second-guess their instincts to remain apart; Libby embraces life as a newly-single woman.
Masters and Johnson's troubles come to a head when the trial begins; Virginia tries to revive their career; Bill faces the reality of charges.
Masters and Johnson return from Topeka, each grappling with the trip's ramifications; Art and Nancy look to tie up loose ends to have a fresh start; Libby embarks on a road trip with Bram that changes her perspective.
Virginia wants to get her relationship with Bill back on track; Bill tries to find satisfaction elsewhere; Betty and Helen prepare for a new addition; Art and Nancy discuss consequences.