《乘龙怪婿4》延续前3部紧扣时事、借古讽今的风格，人物命运发生的戏剧性变化是该武德训因一文钱的失误而下台，沦为一心奋发的打工族；贾发为缴银两保"公爵"称号而四处找钱；尚下九当上了镇官却志大才疏；贾夫人无意中得到深厚内功四处发威……一系列喜剧反差也随着人物命运的变化而产生：武德训平民身份和官腔的反差、尚下九贵为镇官与小市民习气的反差、万金尤富婆身份与长舌妇本质的反差等等。而貂蝉的新对手，东北青年冬豪冲也将登场，进入客栈当伙计，与美女老板貂蝉展开一段迂回而浪漫的爱情。
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。
