Midnight Abduction by Laura Scott

Walking the line between danger and love!
Kidnapped in the dead of night!

Grace Ramsey is horrified when she realizes her six-year-old son Caleb has been snatched from his bed at midnight. The only man who can help her now, is FBI Agent Brady Finnegan, Caleb’s biological father. She had good reasons for keeping Caleb a secret, and while Brady does not agree, they decide that the main priority is to find Caleb and bring him home.
Brady is furious to learn he’s been betrayed by the woman he once loved, but manages to thrust those feelings aside in order to find the missing boy. As he and Grace follow one lead after another, his anger and resentment fades and they grow closer together in their shared mission. They can’t go back and change the past, but they can rebuild their future. If they can find Caleb in time…