Sean O'Brien

Mermaids. Mysterious, seductive, beautiful. The world has a collective fascination for the myths and illusions of mermaids. In Mermaid, the line between make-believe and murder evaporates when the body of a young woman in a mermaid tail washes ashore on a Florida beach. Police think her death is an accident, maybe connected to a big budget movie filming in the area. After another girl, this one working as a mermaid at a theme park, drowns-Sean O'Brien becomes involved because the daughter of his close friend may be the next victim, and O'Brien knows there are no coincidences or illusions when it comes to murder.

In the world of maritime treasure hunting, former college professor Walt Baker is about to hit the lottery. More than 300 years ago, the legendary Spanish galleon, Santa Ramona, sank in a hurricane somewhere off the coast of Florida. The ship was carrying gold, silver, jewels, and artifacts worth an estimated ten billion in today’s dollars. With ten billion at stake, the best criminal minds will scheme to take what’s not theirs. When they try to frame Sean O’Brien’s friend, Nick Cronus, for the murder of one of Walt Baker’s divers, O’Brien begins to put the puzzle pieces together and sees a frightening picture … not only for Nick but also for Walt, his daughter, and every member of the salvage crew. When one of the richest treasures in nautical history is found on the ocean floor, the sharks start to circle. And as they come closer, they begin enclosing around one man, because the only thing standing in their way to recover billions is Sean O’Brien..

When Sean O'Brien watches a girl darting through traffic to pick up money she dropped, he stops to help. The next time he sees her face it's during a TV newscast. She's vanished. As the case grows cold, Sean can't forget the touching story she shared with him. To find her, he must enter the dark web, infiltrate a global criminal ring, outwit one of the sharpest and most inhuman minds he's ever faced in a battle where the girl's life is reduced to a matter of days.