Arriving home, tired and battle weary, TY discovers that the Quinkan have invaded and subjected everyone to their cruel occupation. With Bush Rescue disbanded, TY begins the challenging task of reforming his team and leading the fight against their dark oppressors. But time is running out. Soon the Quinkan will unleash the Quinking; supreme ruler of the dark creatures and possessor of almost unlimited power. But there is hope. Legend speaks of a magical boomerang that has the ability to vanquish the foe. Long lost in the mists of time, this may be TY's last chance to save the planet.