Nick Powers climbs into a stolen car without knowing it and gets chased by the cops on a wild ride that ends in a crash that knocks him unconscious. When he comes to he hears whispering voices, but the cops are in hot pursuit so he stumbles out of the car and runs. After escaping he sees a homeless man arguing with himself and realizes that the whispers he hears in his head are the other side of the argument. Perplexed, Nick follows the man to a homeless shelter.Max Broderick is the sole member of the U.S. Justice Department's Occult Crime Unit who the Boston Police have asked assistance from after a number of bodies have been dug up and found decapitated. Working with Lieutenant Colleen O'Grady of the Boston Police, they operate out of Dorchester's District Eleven Station investigating the bizarre aspects of their case until a series of macabre murders points toward a druid cult that appears to be connected to the same homeless shelter that Nick has been led to.While the police are investigating the high profile murders, homeless people are disappearing, but no one seems to care – except Nick.