Marcus, bored with his new role as Daniel and Aiden’s bodyguard, agrees to go on a mission into the Nether. Seeing this as his chance to do something exciting, he tries his best to put up a good front for his assigned partner, Edmond Elena of the house of the rabbit, of which he shares a passionate yet sad past. Edmond holds deep scars from his past with Marcus, scars he doesn’t want reopened. Still, the pieces of Marcus that he sees beneath his armor of strength and aloofness weakens his heart to him even as he realizes Marcus hasn’t changed in all these years. Fighting off their growing desires and feelings for each other, the two must find the stolen tomes of the previous Mediums. Their search for the books brings them into contact with the mysterious group known as the Blood of Aeon, the group responsible for the death of the Dalrymple family forty years ago, and possible secrets that could destroy their world.