The brightest light casts the darkest shadow.Would you kill to save a life?In order to save those closest to him, Tristan has stepped closer to darkness.In order to save Tristan, Simon must do the impossible.When Monty uses blood magic, he enters a schism-which puts him, and everyone close to him, in mortal danger. His use of blood magic has alerted the Black Orchid, a mage sect tasked with apprehending and eliminating dark mages.Now, Simon, with help from Monty's closest allies and family, must find a way to stop him from going over to the darkness. If they fail, Monty will surrender to darkness, the Black Orchid will attempt to eliminate him, and Evers will be one step closer to her goal: the destruction of magic.No one said it was ever easy in the Montague & Strong Detective Agency.