有着冷漠杀神封(fēng )号的燕(yàn )国七皇子颜曦，征战齐国(guó )一举剿灭，并且(qiě )带走亡国(guó )的小公(gōng )主桃小薇，五岁萌娃桃小薇进入(rù )王府后，搅得王府上下鸡(jī )犬不宁，冷(lěng )血王爷首(shǒu )次体验养(yǎng )娃艰辛，对桃小薇照顾的无微不至。二人(rén )打打闹闹，彼此成长(zhǎng )