The work describes the future world of 2087. When emotions can be controlled through chemical reagents, emotions themselves can be directly obtained without hard work, and people's emotional ups and downs are also used as assessment indicators to participate in economic and social production and life, and as an important reference index in urban competition. People in it, regardless of their position or status, what kind of choices and dilemmas will they face? What is the source of emotional manipulation, and what is the ultimate goal of emotional adjustment? What kind of class groups will be created for this, what kind of different lives will be created, and when everyone is in the horror of emotional regulation, what kind of sparks and friction will be generated? This is the story of mood reagents
