Free Online HD on Lookmovie. Yang Zi and Huang Shengyi, Li Xingliang and Mai Lin, Liu Shuang and Ge Xi, three couples facing marital challenges, went to Inner Mongolia for an 18-day RV trip. They support each other, are honest with each other, and face problems together. At the end of the journey, the three couples had achieved self-growth and found a way to resolve their emotional difficulties.