Danger in the Deep by Karen Kirst

When buried secrets surface, she’s caught in a criminal’s crosshairs.

Aquarium employee Olivia Smith isn’t sure why someone wants her dead — but Marine Corps pilot Brady Johnson knows a secret that could explain it. Brady vowed he’d tell no one that Olivia’s husband had been on the run from his own mob family before he died, but he also promised he’d keep Olivia safe. With danger running deep, they’ll have to work fast to stay alive.