Mia Hayes has peaceful plans for the summer. Those plans are shattered when government agents arrive at her home seeking something they believe her father has taken. When the dust settles, her mother is dead and her father is gone, a fugitive on the run.

Three weeks later, and still reeling from her father's betrayal, Mia spends her seventeenth birthday at a protest in the heart of D.C., where she meets Logan, a rebellious and charming hacker. Just as she's enjoying her first happy moment since the night her world exploded, a voicemail from her father arrives to upend everything she believed about her family, her past, and what really happened that night three weeks ago. Even more, the voicemail hides another encoded message inside which, once Mia solves it, sets her and Logan off on a mission straight into the heart of the federal government.

With the same agents on their trail, Mia and Logan must navigate their way through American history's most iconic sites and uncover its most well-hidden secrets to reveal the truth about her family and stop a deadly attack. In this non-stop thrill ride, the listener has the chance to test their own codebreaking skills alongside Mia, lending an exciting interactive element to this must-listen thriller packed with action, romance, and life-changing revelations.