Police detective Kaname Mori goes to the rescue of Hideki Shimizu after seeing him being brutally beaten by a gang of thugs. After taking the young man back to his home to administer medical assistance, Kaname learns that Hideki is not only a host at a local club, but also the son of a Japanese ambassador. After releasing Hideki to his family, Kaname returns to his normal life. But two months later, he receives a call from the ambassador that Hideki has disappeared and he wants to hire Kaname to find him. Straight-laced Kaname goes undercover into the notorious red-light district of Tokyo and enters Haruka, a club swimming in gorgeous male hosts willing to spend time with him for the cost of a bottle of champagne. Will Kaname find Hideki or will he get swept up into the world of desire and sin?

Kasey Donovan makes a living as an exotic dancer in a prestigious host club in Tokyo. His life gets turned upside down when the son of a local Yakuza crime boss decides to make Kasey his lover. Exotic dancer Kasey Donovan witnesses a crime and can identify one of the culprits after the guy holds a gun to Kasey's head and uses him as a shield to escape the police. To top off the week, the man ends up becoming the new owner of Club Taurus, the host club where Kasey works. Nagi Takamori, son of a Yakuza crime boss, runs into trouble when he tries to collect a debt for the organization. He gets out of the situation by using a blond-haired, blue-eyed stranger as his shield to escape. Nagi, also known as Little Boss, is raised to believe the best kind of witness is a dead one, but when he discovers his savior works in a newly acquired club, he comes up with a better alternative and makes Kasey his lover.