Forced into prostitution, Nozomi, a young Japanese girl rises to become the top karayuki-san in Malaya while secretly working as a spy for Japan. She befriends Qing Ling, a young Chinese girl trying to escape from her life of oppressive luxury. Set in the 1920s, in a patriarchal British colony, Nozomi is caught in the crosshairs as British and Japanese intelligence lock horns while Qing Ling is betrayed by her lover and thrown into prostitution. How will the two girls support each other and make it out alive?