Madrid, 1880. Elena Bianda is the most sought-after lady-in-waiting in the entire city. Despite her youth, more than 20 ladies have already had decent courtships and courtships under her tutelage. Her success lies in being rigid in morality with their families and sensitive to the concerns of the ladies. A complicated balance that Elena handles perfectly. She was born for it: seeing them successfully walk down the aisle is, quite simply, her whole life. All this changes when she arrives at the Mencía house and has to take care of 3 sisters.

巴塞罗那郊区原是移民居住的区域，无人关心，断水断电，更别说公共交通。而市政厅以各种理由推脱，借口棚屋街道过于狭窄存在安全隐患，无法建设公共交通线路。47路公交司机爱德华多·费尔南德斯忍无可忍，决定用行动主导自己和命运，彻底改变巴塞罗那。