有着冷漠杀神封号的燕(yàn )国七皇子(zǐ )颜曦，征战(zhàn )齐国一举剿灭，并且带(dài )走亡国的小公(gōng )主桃(táo )小薇，五岁萌娃桃小薇进(jìn )入(rù )王府后，搅得王府上下(xià )鸡犬不宁，冷血王(wáng )爷(yé )首次体验养娃艰辛，对桃(táo )小薇照顾的无微不至。二人(rén )打打(dǎ )闹闹，彼此成长