Nearly a half-millenium after they were blinded and executed for committing human sacrifices, a band of Templar knights returns from the grave to terrorize a rural Portuguese village during its centennial celebration. A small group of people take refuge in a deserted cathedral and must find a way to escape from the creatures.

Berta, imprisoned in Franco's Spain on fraud charges, learns to navigate the indignities of prison, spreading her own brand of kindness and empathy to the other inmates, but she unwillingly learns a valuable lesson when she falls in love with one of them.