Promise Me Series by Tara Fox Hall

When young widow Sarelle McGarran finds the vampire Danial Racklan unconscious and hurt in her woods, intuitive concern quickly becomes passionate love. Together Danial and Sar work to overcome their own past heartbreaks, their vastly different lifestyles, and Danial's relentless enemies. Yet Danial needs more; an Oath of forever. But can Sar give Danial his greatest desire?

Shocked at Danial's betrayal, Sarelle returns to her old home to consider her options. Yet even as Sar plans a reconciliation with Danial, Terian arrives, confessing his desire. When Theo witnesses Terian and Sar kiss, he angrily confronts Sar, leading to startling consequences. Will Sar's heart choose Danial, Terian,…or Theo?

When Theo disappears, Sar is left bereft, the uncertain guardian of Theo's newly born werecougar daughter, Elle. As months pass, clues emerge about Theo's disappearance, yet the twisting trail ends repeatedly without answer. In her grief, Sar turns to Danial and hesitantly begins to build a life with him and Elle.