Ever since the defeat of Megatron, many governments have grown wary of the Firebird Force, fearing the day they could turn against them. Using those fears as a opportunity, Union Academy, now viewed in a positive light by the Cemetery Wind, Eagle Union and Royal Navy factions, managed to get Birdzilla, Titanus Rodan and their team (with the exception of Wheeljack, who is now immune to the whole "Kaiju and Aliens can't co-exist" thing) to cause rampages all across the globe, using Decepticon holograms to kick in their rivalry.
With the governments now their enemies, and their friends and allies being hunted down, the Firebird Force must find a way to bring peace again, or face the new age of extinction..