This comedy combines mystery and romance, taking the audience aboard the luxurious mega cruise ship "MSC Glory". The conscientious cruise steward Okita Yu (played by Yoshizawa Ryo) encounters a mysterious woman Pan Waka Chizuru (played by Miyazaki Aoi), who boarded the ship for more than just a sightseeing trip. When a murder is reported on the ship, let's see how the two work together to find out the truth.