When the world took everything from her, they didn't expect her to fight back.Rachel Cade survived the Syndicate once. Barely. But when elite operator Jack Stanton-the man who risked everything to save her-is abducted by the same shadow network, Rachel refuses to be a victim again.Drawn inside Orion Sigma, a covert task force operating far outside the law, Rachel is thrust into a world of encrypted corridors, hidden ports, and black-budget warfare. With every step she transforms-no longer a civilian, but a weapon shaped by fire, loss, and a loyalty she never meant to feel.Jack, held deep inside the Syndicate's newly fortified Legacy network, endures brutal psychological games designed to break him. What Thorne-the Syndicate's ghostlike mastermind-never expected is that Jack's anchor is not pain... but Rachel. The bond between them becomes the one variable Thorne cannot control.As Rachel hunts for Jack, she unravels a conspiracy that stretches across continents, humanitarian corridors, and the shadows of governments who pretend not to see. Every clue brings her closer to a war she is not trained for-and closer to the man she refuses to lose.But time is running out.And Legacy was built to be unbreakable.Protocol: Legacy is a gripping, fast-paced thriller of survival, obsession, and the lengths we go to for the people we refuse to let go. Perfect for fans of James Rollins, Taylor Adams, Jack Carr, and Lisa Jewell, this is the first book in a high-adrenaline series where every secret has a price-and some loyalties can start wars.________________________________________