One sweaty summer night, bored and drunk, Yin Jia and Tong Tong engage in an intimate act that goes beyond their normal friendship. Yin Jia develops an intense attachment to Tong Tong, while Tong Tong does not respond with similar emotions. Tong Tong is soon seduced by a young, wealthy, part-time criminal and drug dealer named Chen Wen. Chen Wen becomes infatuated with Tong Tong and begins to rely on her as an employee in his middling cocaine enterprise. When Chen Wen promises to take Tong Tong to America for a new life, Yin Jia is forced to make a cruel deal with Chen Wen so Tong Tong will stay. But this deal costs more than they thought.