Commander Perry notifies the Intelligence unit that Pulpo has been released to help track down a dangerous cartel leader. This doesn't sit well with our team as he kidnapped one of their own and no love is lost between sides. Meanwhile, Ruzek gets some difficult news as a blast from Lindsay's past comes back, giving us a glimpse at where she came from. Voight reminds her that she's come too far to screw it up. At the same time we learn something about Jin that is bound to be a problem.