A contract of blood and fire

Elena and Marcus are trapped by Aldric and Agatha together in a dual magic circle. Forced into symbiosis, the two gradually uncover the historical truth that the Vance family and the Witch Coven have been jointly maintaining the "Blood Vessel Trade." When the contract briefly fails, Marcus still voluntarily returns to save Elena, proving that his protection no longer stems from commands. As old scores are brought to light, the father and son break apart, the Witch Coven splits, and internal stri