Two Years In, I Was the Other Woman

To save Killian's life, Vesper married his donor Emrys for a year, then married Killian—until she caught him cheating. Filing for divorce, she finds the license is fake. Killian imprisons her, destroying her fertility. Emrys helps her escape; she marries him. Killian dies in a crash; Vesper can have a child again and finally has a real home.