On a massive luxury cruise ship while at sea, the loyal butler Suguru, and a mysterious woman named Chizuru cross paths as they try to uncover a murder-mystery that occurs on the ship.On a massive luxury cruise ship while at sea, the loyal butler Suguru, and a mysterious woman named Chizuru cross paths as they try to uncover a murder-mystery that occurs on the ship.On a massive luxury cruise ship while at sea, the loyal butler Suguru, and a mysterious woman named Chizuru cross paths as they try to uncover a murder-mystery that occurs on the ship.