Scraplets invade HQ while Optimus and Arcee patrol the Arctic, leaving Bumblee and Ratchet to repel the enemy.

Arcee must protect Jack when a routine mission is complicated by Airachnid's arrival.

The Autobots try to claim a magnetic weapon before the Decepticons get to it.

Ratchet becomes a threat to everyone after he injects himself with an experimental substance.

Now that the location of the relics have been exposed by Orion Pax, the race is on to find the next one. New recruit Smokescreen and Jack are on the job with the Autobots looking to cut down Megatron before the beats them to it.