The Electroclan is facing their most devastating challenge yet, and this time, the enemy is one of their own. With Tara still trapped in the ruthless clutches of the Elite Elgen Guard Unit and their malevolent leader, Sovereign Amash, Michael Vey and his friends have no choice but to continue their fierce battle in the heart of Peru. But saving their captured ally requires doing the unthinkable: fighting a former teammate. Jack has turned traitor, joining forces with Amash and his deadly men. As the Electroclan reels from the betrayal, they must team up with the Alpha Team to stop the Chasqui from executing a catastrophic plan to destroy the entire city of Arequipa. Meanwhile, Taylor makes a bold and incredibly dangerous move to rescue her sister, pushing the stakes higher than ever before. Surrounded by enemies and running out of time, Michael and his friends must push their electric powers to the absolute limit. With countless lives hanging in the balance, there is no room for error in this explosive fight for survival.