"The final book in the Michael Vey series-- Michael is missing. The battle on the island of Hades ended with a devastating explosion that left the island a smoking ruin and much of Hatch's army dead. However, Hatch survived and while his plans have certainly suffered a setback, he's more determined than ever to bring the world's governments under his control. But first, he wants to wipe out the Resistance and capture the remaining members of the Electroclan....

Fourteen-year-old Michael discovers he has special electrical powers and, with the help of his best friends, becomes aware that there are other teens with similar powers, but something or someone is hunting them and, after Michael's mother is kidnapped, he will need to rely on his powers and his friends to rescue his mom, protect himself, and save the others.