The film tells the secret sex of the most ordinary young people in China. The film wants to explore the relationship of human nature through the lens. Two men and women, one night stand, tried to communicate with one another, one of the first out - of - out Lara, one who was anxious to leave the relationship between himself and homosexuality two years old, but Gay started a conversation about a Gay lover on the car, a middle-aged bisexual who faced his girlfriend and boyfriend after his passion. The difficult choice.