Old Dogs, New Tricks | Various

Mike, Nile and Levi are veterans, the elite of the Government's Secret Service, but they're approaching the end of their time as active field operates. Eren, Reiner and Jean are the fresh bloods plucked from vigorous screening to be trained as their replacements. But the old dogs don't want to teach these pups the tricks of their trade, leaving Erwin no choice but to take matters into his own hands after yet another failed exercise to get them working as a team. Acting as their eyes and ears when active in the field she is their common ground, and Erwin sees the advantage in it.