High in the Sibillini Mountains of central Italy, famous since Roman times for their curative waters, a killer deposits his victim's bodies within the ancient local churches. An environmental fanatic, a mystical cult, a pragmatic business plan...?

"A story made of crimes, corruption, madness, and ambition. But also a tale of how humans are the only animals capable of polluting themselves, their souls, the world around them, and the people they love.

It's second nature.

Our own nature."