有着冷漠杀神封号的燕国七皇子颜曦，征战齐国一举剿灭，并且带(dài )走亡国(guó )的小公(gōng )主桃小薇，五岁萌娃(wá )桃小薇进(jìn )入(rù )王府后，搅(jiǎo )得王(wáng )府上(shàng )下鸡犬(quǎn )不宁(níng )，冷血王爷首次体(tǐ )验养娃(wá )艰辛，对桃小薇照顾的无微不至。二人打打闹闹，彼此(cǐ )成长