A private-yacht bartender encounters a mysterious, onboard guest. They soon find themselves entangled with a criminal figure and connected in ways no one saw coming.

When everyone else mysteriously vanishes from their wealthy town, the teen residents of West Ham must forge their own society to survive.

故事以全世界前1%的富豪为背景，因为种种的阴错阳差，Imogene成为了豪华邮轮上一起密室谋杀案的头号嫌疑犯，为了证明自己的清白，她必须与侦探Rufus合作破案，但在这艘奢华的地中海邮轮上，所有娇生惯养的宾客和疲惫不堪的员工都有嫌疑。