Martin, Ethan, and Cynthia have each brought secrets into these tunnels. They are secrets about each other and themselves. They are secrets that could push you to madness. And they are secrets that at least one of them is willing to kill for.
Connor Callahan has been through a lot. More than anyone should. It has left him with an overdeveloped sense of justice. Perhaps that is why when he sees a man discreetly tag a stranger’s suitcase with a black magic marker, he sets out to discover what is going on.