Hide and Seek by Josh Lanyon

For museum curator Andrew Allison, the sleepy little Maine village of Safehaven has always lived up to its name—until now. Fleeing an abusive relationship, Andy has returned to Safehaven for a few weeks while he figures out the future and helps his elderly Uncle Cuthbert run his antiques shop. But when Andy arrives, he learns Uncle Cuthbert is in the hospital, critically injured, the victim of a late-night break-in.
Worse, one of the first messages on the shop answering machine is from Marcus, Andy’s ex, demanding to know Andy’s whereabouts.
Nor does the bad news stop there. It seems whoever broke into Time in a Bottle is still looking for that mysterious whatever. Something they didn’t find the first time. Something they now believe Andy has.
Something worth killing for?
The good news is former bad boy Quinn Rafferty, Andy’s high school crush, is back in town and interested in renewing their acquaintanceship.
Quinn is not a man to run from things that go bump in the night, be they mysterious midnight prowlers or a relationship-shy fish-out-of-water museum curator.
But Quinn has a few secrets of his own…