In Chicago, John makes the unlikeliest of allies: Adam, a Mogadorian who turned his back on his people. He has invaluable information about Mog technology, battle strategies, and weaknesses. Most important, he knows where to hit them: their command base near Washington, DC. During the assault, however, John learns the unimaginable truth: it is too late. The Mogadorians have commenced their ultimate invasion plans.
With a front-row seat to the impending invasion, Ella finds herself in the hands of the enemy. For some reason, she's more valuable to them alive, and they'll stop at nothing to turn her.
Meanwhile, Six, Nine, and Marina make their way through the Florida Everglades, hot on the trail of the traitorous Five. With the development of a new Legacy, Marina finally has the power to fight back뾦f her thirst for revenge doesn't consume her first.
The Garde are broken and divided once again, but they will not be defeated. As long as one still stands, the battle for Earth's survival is not lost.
시카고에서 존은 믿을 수 없는 동맹을 맺게 됩니다. 동맹의 상대는 모가도리언인 Adam!
그는 모가도리언 동지들을 떠나 존을 찾아와 그들에게 모가도리언들의 기술, 전투 기술, 약점등에 관해 아주 중요한 정보를 제공해주는데요. 무엇보다 가장 중요한 정보는 바로 그들이 공격해야 하는 곳을 알려준 것이었습니다.
하지만, 모가도리언들이 모여 있는 워싱턴 근처의 베이스를 공격하면서, 이미.. 늦었음을 알게 됩니다.
모가도리언들은 그들의 최종 침공을 이미 시작했던 것입니다.
그리고, 그 공격의 최전선에는 Ella가 있었으니...