Some autobots are captured. The remaining Autobots team up with some rebels to free their friends, the rebels know all the weaknesses of their enemies machines. They merge with the Autobots to become Headmasters to free their friends.
The Gathering will centre around a violent attack on a teenage girl during a rave on a tidal islet. Set on Merseyside, the drama focuses on a group of teens from disparate backgrounds, each of whom could have committed the crime, along with their parents