Will Moore and Ada Jackson were just getting used to their new Special Agent in Charge, Harvard St. John, when he was called away on a confidential assignment. Ada was secure in the fortified safe house called Stillpoint but Will was still in an employment limbo so when Principia's CEO arrived with an invitation for a brief road trip, he readily accepted. But when an accident creates an opportunity for their common enemy, Will receives an offer that he won't refuse.