The Woman in the Pawnshop by Jessica Gadziala

Years ago, he vanished before he could take his place in the organization.
Now he’s back—older, harder, and responsible for two kids who lost everything.
The family he left behind has moved on. The men he once stood shoulder-to-shoulder with had become bosses, while he’s stuck running cash pickups while he tries to earn his way back in.
But a routine stop at a pawnshop changes everything.
The woman behind the counter is everything he wants but can’t have: smart-mouthed, stubborn, and strong. Worse, his niece and nephew adore her.
He’s determined to stay away. But when she finds herself in the middle of the mystery and is violently attacked, he takes her in to help her heal as they try to figure out what someone might be willing to kill for…