His Heart by Sheila Kell

His heart is hers.

Eight years earlier, Matt Hamilton gave away his heart only to have that love snatched away. When called in to protect Caitlyn Robinson, the damaged woman from his past, he’s prepared to risk everything to make sure she’s kept safe.
By the time his team is in place, Matt discovers Caitlyn hasn’t truly recovered from the event that previously destroyed them. He’s determined to be the one to save not only her life, but her heart. Possibility drives him forward, but first, he must catch the bastard chasing her.