An investigation into the deaths of two pro-Decepticon senators leads Chromedome and Prowl to a Relinquishment Clinic, where they learn that the murderers' sparks had been transplanted into the bodies of innocent Cybertronians. Underneath the Clinic they discover a secret base of operations which Chromedome suspents is actually a brainwashing facility known as The Institute. Meanwhile, a tip-off from Whirl leads Orion Pax to conclude that the Senate's Head of Security, Sentinel is organizing a terrorist attack for which the Decepticons will be blamed. Pax decides to intervene...