When a case shows up in New York that Voight is all too familiar with, he wants to help Benson and the SVU team to finally put away the Valentine Killers once and for all, but they're sneaky and they're determined to not get caught. Which is why they need all the help they can get, Alvin, Ruzek, Antonio, Jay and Erin all make the trip to bust this operation once and for all.