Cleric is the journey of a psychic enforcer named Samara, who comes out of a self-imposed retirement as a servant of the Ministry of Control to hunt down the Heretic, a genetically engineered terrorist. He has killed her lover and escaped into the Below, a twisted wasteland of tunnels and industrial waste that lays deep under the glittering streets of the mega-city. Samara must battle her way through a toxic underworld of scavengers, madmen, and her own fears and self-doubt.