Mira Delaney’s life shatters when her brother Daniel falls into a coma after a supposed accident. A mysterious call reveals it was no accident but part of a corporate conspiracy. Following cryptic clues, Mira uncovers that Helios Corporation is erasing and rewriting human minds in a secret program called Project Echelon. When she discovers Daniel is still alive inside Vault seventeen, she risks everything to save him only to learn he has become one of them. Torn between love and truth, Mira escapes with the evidence, carrying her brother’s memory and their shared mantra one breath at a time.