It is the year 2031, as the spores of the Flower of Life spread over the remains of the SDF-1 and SDF-2, the Invid land out of Hyperspace, on a head-on collision with the Earth. They crash on the spot, quickly turning it into their massive hive, later to be called Reflex Point. In a matter of moments, the Invid take control of the devastated planet.

In 1999 an alien spaceship crashed onto the earth. Hidden on board were the secrets of a unique science known as Robot technology. Databanks found in the ship were transferred to the Earth Robotech Computer Complex. In 2009, an alien search party arrived from hyper-space to reclaim their lost databank. The united Earth Government was forced into an Inter Galactic war. Earth forces were able to win the first battle... but at a great cost. The planet was virtually destroyed. New population centres grew out of the ashes... It is now 2027, a second armada sent by the aliens is nearing earth, they have come to recapture the secrets of their lost technology and then destroy the Earth.

In a fictional war, the captain of a rebellion pilot fights against an alien invasion using advanced technology and piloted giant robots.

In the sequel to the original Robotech series, The Shadow Chronicles follow the SDF-3 as it embarks on a mission to rescue Admiral Rick Hunter and prevent the alien Invid from taking over the Earth.

In Robotech II: The Sentinels, a married couple must navigate the challenges of their relationship as they pilot giant robots to defend Earth against an alien invasion.