Not even Master Sergeant Harry Lockhart's military expertise could stop the bomb that killed his team and left him injured. Only the kind letters from Daisy Gunderson – a pen pal he'd never met – helped him survive.

But Daisy in the flesh is the surly Marine's polar opposite. She's outgoing, talkative, and putting his military training on high alert. A stalker named Secret Santa is targeting the kindhearted teacher…and the pranks are growing deadly. In Daisy, Harry's finally found the safe haven he needs. And he'll be damned if anyone is going to take her from him.