Jo's mother protects her memories; her aunt can destroy them. Jo doesn't know it yet, but she has more power than either of them.

A dazzling array of characters, some with exceptional talents for good or evil, take Jo on a terrifying rollercoaster ride of self-discovery.

Confronted by ruthless power brokers, Jo finds herself leading a ragbag army in a fierce battle to save humanity.

Follow Jo Lakota's adventures from the disused Underground stations beneath London all the way to the Native American reservations of Dakota and beyond.