With the Mogadorian warships looming over populous cities, the Lorien Garde find new allies, as human teens begin to develop legacies of their own.

After facing off with the Mogadorian ruler and almost being annihilated, the Garde go into hiding. They must learn to master their Legacies and learn to work together as a team. When they receive a sign from Number Five, a crop circle in the shape of a Loric symbol, they know they are close to being reunited. But could it be a trap? Time is running out, and the only thing they know for certain is that they have to get to Five before it's too late....

For years the Garde have fought the Mogadorians in secret, but now the invasion has begun. If the Garde can't find a way to stop the Mogs, humanity will suffer the same fate as the Lorien: annihilation. When the Elders sent the Garde to Earth, they had a plan, one which the Garde are finally starting to understand. A group of the Garde traveled to an ancient pyramid in Mexico where they awoke a power that had been hidden for generations. Now this...