Pentimento

S1 E6: When art thief and suspected murderer Stan Nagy (guest star Michael Massee) is released from prison, Ironside (Blair Underwood) is forced to come to terms with a case, and a mistake, that have haunted him for years. Meanwhile, Virgil (Pablo Schreiber) tries to recover from a violent incident in the field. Spencer Grammer, Neal Bledsoe, Kenneth Choi and Brent Sexton also star.