有着冷漠杀神封号的燕国七皇子颜曦，征战齐国一举(jǔ )剿(jiǎo )灭，并(bìng )且(qiě )带走亡国的小公主桃(táo )小薇(wēi )，五岁萌娃桃(táo )小薇进入(rù )王(wáng )府后，搅得(dé )王府上下鸡犬不(bú )宁，冷血王爷首次体验(yàn )养娃(wá )艰(jiān )辛，对(duì )桃小薇照顾的无微不至。二人打打闹闹，彼此成长