Spirit Fall (The Guardians, #1)

After a year-long depression following the murder of her fiancé, Siobhan Whelan stands on a bridge, tormented by unending nightmares, one step away from jumping. Only the kindness of a seductive stranger brings her back down to earth. But the handsome stranger is more than meets the eye, and soon Voni finds herself thrust into a strange new world.

For seven hundred years, Malakai Vadim has shouldered the mantle of Guardian Warrior. But a chance encounter with the tormented beauty brings him ...