Lancer must face a very human enemy who's aiding the mysterious Invid race, while struggling to protect Carla, the new woman in his life. Will the new miniaturized Robotech mecha be enough to save them both? The fate of the 10th Mars Division also continues to linger until a big surprise arrives from the Robotech Expedition! Decades earlier in the companion story, Karl Riber must race to unravel a riddle of Robotechnology discovered by his mentor Dr. Lang as alien Zentraedi scouts descend on Mars Base in their search for the SDF-1!