The fourth instalment of "The Echo Chronicles" series. Everything Ally thinks she knows is wrong, but facing the truth might cost her everything. Alex loves Ally and will do anything to help her - but his help might come too late. Rebel leader Ally continues her fight against the Order. She knows there's only one way to change the world for the better: eliminate the Order and find the enemy that pulls the Order's strings. But when she confronts the enemy, she's captured. Alex loves Ally and refuses to give up on her. Even when everyone fears the worst, he searches for her. The world isn't what it seems, and Alex must fight against the unexpected to try and save his love. He and the band of rebels must adapt to an ever-changing environment and face new enemies. But he might not be in time to save Ally.