Rogue Wave by Isabel Jolie

He’s a jaded marine biologist with a dark past on the high seas. She’s a naive dreamer who believes she can save the oceans. She sets her sights on him, and he’s not strong enough to deny her.
What starts out as a carefree summer romance evolves until his past choices crash down around them. Luna is a determined, strong young woman, but she’s not strong enough for both of them. She needs a partner. Can he put his past behind him to give her the future she deserves? Or will she need to leave him in her past?