Aboard the Staten Island ferry, a tourist comes across something she shouldn't have seen - something someone needs kept very quiet. Soon no one can find her. But if she didn't jump, and she's not on board, where is she? Homicide Lieutenant Eve Dallas is called to the scene and is quickly faced with a shocking web of lies. With time running out and a deadly trail of intimidation and revenge emerging, Eve and her team must find out just what was seen on that ferry . . .