The Decepticon Headmaster Jrs. are taught about the three great powers or Energons on Earth: Earth Energon, Spark Energon, and Star Energon, which can be stolen and added to their power at the cost of harming the balance of the universe. The Autobot Headmaster Jrs., meanwhile, are preparing for a party when a girl named Mary comes to them for help, her brother being a former member of Fangry's motorcycle gang who sought to cut ties with him after he joined forces with the Decepticons and was kidnapped as a result...