An epic drama set in 43AD as the Roman Imperial Army – determined and terrified in equal measure - returns to crush the Celtic heart of Britannia - a mysterious land ruled by warrior women and powerful druids who can channel the powerful forces of the underworld. Or so they say.

After waking up in a morgue, an orphaned teen discovers she now possesses superpowers as the chosen Halo-Bearer for a secret sect of demon-hunting nuns.

Mocha and her two companions are adventurers for hire. Unfortunately, their quest for wealth is hampered by their inability to finish a job. Just as they are going broke, Mocha contracts to steal a mystic dragon's head from the secluded temple of fire. When the trio finally escapes with the head, it speaks, offering a fortune for abandoning the contract and taking it to a different temple. Mocha readily agrees. They soon find themselves fighting their employer to prevent the end of the world.