有着冷漠杀神(shén )封号的燕(yàn )国(guó )七皇子颜曦，征战齐国一举剿灭，并且带走(zǒu )亡国的小公主桃小(xiǎo )薇，五(wǔ )岁萌娃桃小薇进入王府后，搅得王(wáng )府上(shàng )下鸡(jī )犬不(bú )宁，冷(lěng )血王爷首次体验(yàn )养娃艰辛，对(duì )桃小薇照顾的无微(wēi )不至。二人(rén )打打闹闹，彼此成长