Bethany, an angel sent to Earth, and her mortal boyfriend, Xavier, defy Heavenly law and marry--leading to a confrontation with the Sevens, rogue angels bent on keeping Beth and Xavier apart, destroying Gabriel and Ivy, and darkening angelic power in the heavens.

It's been three months since the colony world of Meridian was invaded by the alien alliance known as the Covenant. Under the close watch of the military, Evie, Dorian, Saskia, and Victor have been put into an accelerated training program with ONI, the Office of Naval Intelligence. And to the teens' surprise, ONI has a mission for them: return to their hometown on Meridian and monitor the Covenant's efforts to retrieve an ancient Forerunner artifact...