有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国(guó )一举剿(jiǎo )灭，并(bìng )且(qiě )带走亡国的(de )小公(gōng )主桃小薇，五岁(suì )萌娃桃(táo )小(xiǎo )薇进入王府后，搅得王府上下(xià )鸡犬不(bú )宁，冷血王爷首次体验养娃艰辛，对桃(táo )小薇照顾的无微不至(zhì )。二人打打闹闹，彼此成长