Team Veritas are back at Bletchley Park where a secret message hidden in a Shakespeare Portfolio pulls them into a new code-cracking adventure. Their investigations lead them to the writings of Sir Francis Bacon. Soon, they uncover the history of the Knights of Neustria, a brotherhood that goes back to the time of King Arthur charged with protecting a legendary secret. But are they any closer to their goal - to unravel the secret behind the ancient coded Voynich Manuscript .

The stakes are getting higher as our young trio chase their quest from Cambridge to a terrifying struggle along the currents of the surging River Wye. Only one step behind them is the secret organisation who will stop at nothing to block them from discovering the truth …