有着冷漠杀神封号的燕国七皇子颜曦，征战齐国一(yī )举(jǔ )剿(jiǎo )灭，并且带走(zǒu )亡国(guó )的小公(gōng )主桃小(xiǎo )薇(wēi )，五岁萌娃(wá )桃小(xiǎo )薇进(jìn )入王府后，搅得王府上(shàng )下鸡犬不宁，冷血王爷首次体验养娃(wá )艰辛，对桃小薇照顾的无微(wēi )不至。二人打(dǎ )打闹闹，彼此成长