Following a high-security prison break, the notorious serial killer Addison Sunchan tracks her primary target—a woman she has obsessively stalked for years—onto a luxury, high-fashion cruise liner.
Adopting the polished exterior and slick, modern aesthetic of a high-end gala, Addison effortlessly blends into the ship's elite crowd. Isolated in international waters with zero chance of outside help, the voyage devolves into a claustrophobic nightmare as Addison systematically eliminates passengers and crew alike in a cold, relentless pursuit to finally reach her ultimate fixation.