有着冷漠(mò )杀神封号的燕(yàn )国七皇子颜曦，征战(zhàn )齐国一(yī )举剿灭，并且带走(zǒu )亡国的小公(gōng )主(zhǔ )桃小(xiǎo )薇(wēi )，五岁萌娃桃小(xiǎo )薇(wēi )进入王府后，搅得王府上下鸡犬(quǎn )不宁，冷血王爷首次体验养(yǎng )娃(wá )艰辛，对桃小薇照顾的无微不至。二人打打(dǎ )闹闹，彼此成长