有着冷漠(mò )杀神封号的燕国七皇子(zǐ )颜曦，征战齐国一举剿灭，并且(qiě )带走(zǒu )亡(wáng )国(guó )的小公(gōng )主桃(táo )小薇，五岁萌娃(wá )桃小(xiǎo )薇进入王(wáng )府后，搅得(dé )王府上下鸡犬不宁，冷血王爷首次体验养娃艰辛，对桃小薇照顾的无微不至(zhì )。二人打打闹闹，彼此成长(zhǎng )