Strange things are happening in Liverpool…
 
When the city of two cathedrals is hit by a series of horrific crimes, cynical Detective Inspector Darren Swift is forced to put the rule book aside. With the occult expertise of Sister Helen Hope and her unlikely sidekick, guitarist Mikko Kristensen, DI Swift goes on the trail of something darker than murder.
 
Science, religion and heavy metal combine in this award-winning crime thriller series that will have you questioning everything you believe.