有着冷漠(mò )杀神封号的燕(yàn )国七皇子颜曦，征战齐(qí )国一举剿灭，并且带走(zǒu )亡国的小公(gōng )主桃(táo )小(xiǎo )薇，五岁萌娃桃小(xiǎo )薇进入(rù )王府(fǔ )后，搅得王府上(shàng )下鸡犬不宁，冷血王爷首次(cì )体验养(yǎng )娃艰辛(xīn )，对桃小薇照顾的无微不至。二人打打闹闹，彼(bǐ )此成长