Half-vampire Fen splits his time between the parallel human and vampire realms, but a rising tension between species could threaten his comfortable lifestyle. When two humans disappear near a portal between worlds, he must work with his human crush Awl and vampire FWB Roman to uncover the answers before things escalate. Will they manage to uncover the truth and keep up the fragile peace? Or will Fen be forced to pick a side between the two worlds and two men he's come to care about?