Strangers(Strangers 1) by A.L. Parks

Bereaved bride Abby Clark is tortured by visions of the fatal crash that took her fiance on their wedding day. She succumbs to a dark existence where loneliness, sadness and nightmares dwell; until handsome, brooding Bryce Holden walks through the door of her favorite coffee shop, wearing the same cloak of despair and grief. Abby discovers in Bryce someone who understands