Jessica Taylor, normally known as Jess, is a messed up kid. Well, was a messed up kid until she decided to follow in her parents footsteps, and join Delta, a government-run, secret spy agency. And as she graduates high school a year early, she is ready to leave her tragic backstory in the past and become her parents legacy.
But when Delta's main HQ goes haywire, and she finds clues leading her to answers from her unexplained past, Jess can't resist going on a mission to investigate the ISA, Delta's rivaling agency.
But as she fulfills her mission, Jess discovers that going undercover as senior at Ridgewood High would be a lot more out of her comfort zone than she ever expected.