Being a Christian in ancient Rome was very dangerous. To spread the faith and stay alive, you had to live in the shadows...

Titus' cousin Octavia, a maiden who guards the sacred fire in the Temple of Vesta, is missing! Has she been kidnapped? Has she run away? Titus and his friends Maximus and Aghiles set out to solve the mystery. They encounter puzzling evidence and lurking danger along the way while learning important lessons about freedom, duty, and devotion.