Pregnant with My Alpha Husband's Vampire Lover

Sophia learns her pregnancy by Alpha Gavin is a trap to host vampire Lilith. She poisons her fetus with silver, then poisons her blood while imprisoned. When resurrected Lilith betrays Gavin and Isabella, Isabella frees Sophia. They incinerate Lilith using toxic blood and holy fire. Gavin is devoured; Sophia's vengeance is complete.