The protagonists, the Kadic high school students, are once again forced to fight against their enemy, Xana. In the past, they seemed to have successfully defeated their enemies in the course of their adventures, but now someone or something has brought their hated enemy back to life. The protagonists Ulrich, Jeremy, Aelita, Yumi and Odd regain access to their super equipment to investigate the cause of Xana's revival and once again save the earth from evil attacks.