A stone monolith comes crashing to Earth in a field. It launches a number of probes and begins to send out a radio signal. In Lincoln, Sparkplug is angry with Optimus Prime. Despite how supportive and welcoming the Autobots have been, it's clear that they are the ones calling the shots, and not the Mini-Cons. As on Cybertron, he feels that they're only being used as a means to an end.