有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国(guó )一举(jǔ )剿灭，并(bìng )且带走亡国的小公(gōng )主桃小(xiǎo )薇，五岁萌娃(wá )桃小薇(wēi )进入王府后，搅得王府上下(xià )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(wú )微(wēi )不至。二人打(dǎ )打闹闹，彼此成长