In the squad room, emotions ran high with the arrival of brash detective Carisi, Amaro’s second chance at redemption during an undercover assignment, Fin’s promotion to second-in-command and the reveal of Rollins’ secret past. In the courtroom, ADA Barba continued to prove himself a valuable asset. And at the helm of it all, Sergeant Olivia Benson juggled her duties to the unit with becoming a foster mother. This season, expect buzz worthy guest stars and a steady supply of cutting edge, of-the-moment stories ripped from today’s most newsworthy headlines.