Onyii is a battle-hardened soldier, weary of war.
Her adopted sister, Ify, is even younger and a budding tech genius. The two live in a rebel compound of Biafran girls, hidden by a signal dampener from the Nigerian government. Tochi Onyebuchi gives the reader a little quiet time in the camp, to meet the characters and learn about the technologies they use — and then the camp is discovered, and a riveting battle scene begins. Onyii and Ify are separated,