有着冷(lěng )漠杀神封(fēng )号的燕国七皇子颜曦，征战齐国一举(jǔ )剿(jiǎo )灭，并(bìng )且带走(zǒu )亡国(guó )的(de )小公(gōng )主桃(táo )小薇，五(wǔ )岁萌娃桃小薇进入王(wáng )府后，搅(jiǎo )得王府上下鸡犬不宁，冷血王爷首(shǒu )次体验养娃艰辛，对桃小薇照顾的无微(wēi )不至。二人打打闹闹，彼此成长