一群生长于小城市的异乡人，在大都市的漂泊中经历生活、事业、感情的种种考验。剧集展现了大都会中异乡青年的写实生活，每个人物的经历都赋予了社会话题性和当下感，无论是焦虑不安还是泰然处之，不论是留下奋斗还是安于回乡，每个人都在失去与获得、留下与离开的种种经历中，获得了人生安身立命的心灵归属与城市家园。

After a prologue explains that the atom bomb is about to drop, we’re shown a family of three (mother, father and adult daughter) sitting around a kitchen table, deciding that they will stay and “die with dignity.” The mother and daughter give birth to various food items and the father tires to climb back into the womb, and then daughter relates a dream. We see a mushroom cloud, then another trio of actors in a different apartment who believe they are in the afterlife: they recite more humorous nonsense about God, death and the apocalypse and enact more bizarre skits before the action shifts to another trio in a different room, then another…

　　00后女孩吴小北惨遭"断崖式分手"，失恋后的她在发疯和颓废中反复横跳，终于决定反击！小北跌跌撞撞做完了"失恋后也不必做的12件事"：改造自己、假装理性、周旋于形形色色的异性之间……然而这一场大型失恋展览，真的能带她走出失恋吗？