This is drawn from a true story. France, summer 2006, not very hot.The lives of four Chinese people cross during the filming of a documentary. Yiyi, a 21-year-old Chinese student, arrives in France to study, with his 20-year-old girlfriend. His dream is to become a film director in France. At a Chinese party, he meets a Taiwanese businessman, Nicolas. Yiyi is immediately interested in Nicolas’ experiences and proposes to film a documentary on his life, but Nicolas refuses. Some days later, Yiyi receives a phone call from Nicolas, who accepts the idea of the documentary. While following Nicolas for the documentary filming Yiyi meets Charya and two undocumented Chinese workers. Around his documentary, Yiyi, his girlfriend, Nicholas, Charya and the two undocumented workers will meet and experience together this cold summer.