本剧讲述了19岁、29岁、39岁的三姐妹，在迎来“年龄大关”之前的最后一年，也就是“9界线”中，以父亲突然失踪为契机，聚在了同一屋檐下的人间爱故事，以“LOVE (爱)”、“LIFE (生活)”、“LIMIT (限度)”的“3L”为主题，描写了她们抱着迷惘和焦虑寻找幸福，一边挣扎一边前进的人生姿态。
In the south of France, the leader of a Gypsy community and her two sons struggle to save their clan threatened with eviction by rising waters. To survive, they will have to cross the boundaries of legality and fight their way through a dark and dangerous world... all the while concealing the unspoken secret that has haunted their family for seven years.
关于四灵仙尊花如月（白鹿 饰）和大成玄尊白九思（曾舜晞 饰）之间的夫妻战争。她究竟是消失的爱人还是另有所图，他究竟是爱她还是要将她绞杀，且看。
8名不同背景和魅力的女嘉宾搬入小屋共同生活，通过一周的同居生活与互动任务探索情感。节目直面真实情感困境，展现多元爱情形态。
