They will be sailing the Norwegian fjords as she tries to reconcile her feelings about her lover Judah. Laura's assignment is to send articles about the ship and its passengers ― a collection of twelve wealthy and/or celebrity guests. Somewhat derailed and sleepless after a frightening incident at her apartment, Laura drags herself on board to find that she's acquainted with a few others, particularly her ex-boyfriend Ben. She's barely met them all when she half-witnesses what she thinks is a murder in the cabin next door. No-one seems to believe her, a woman who periodically suffers from panic attacks.