有着冷漠(mò )杀(shā )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 )的小公主桃小薇，五(wǔ )岁萌娃(wá )桃(táo )小薇(wēi )进入王府后，搅(jiǎo )得王(wáng )府上下鸡犬不宁，冷血王爷首(shǒu )次体验(yàn )养娃艰辛，对桃小薇照顾的无(wú )微不至。二人打打闹闹，彼此成(chéng )长(zhǎng )