The Castle: It looms over the streets of modern Chicago. Its stone walls conceal a maze of secret passageways and hidden rooms, private laboratories and concealed trapdoors.

The Castle is home to G. Gordon Gregg, physician- murderer. His victims are young, beautiful, wealthy women. His methods are swift, scientific, and painless, his crime perfect. Until a newspaper reporter becomes suspicious.

Investigating Dr. Dr. Gregg, Crystal finds herself falling in love with the charismatic surgeon, despite the danger. It is that love that seals her doom- for what G. Gordon Gregg loves, he kills…