The reunion of two sisters and the quarrels between them are used to examine the changing relationship between China and Hong Kong in the past 30 years. The blood relationship can not be denied. As China becomes more powerful, the drama questions how do Hong Kongers position themselves? Would you still want to be a Hong Konger in the next life? Can the current social conflicts be solved with money? With theemerging integration of China and Hong Kong, what core values can Hong Kong people still defend?