有着冷漠杀神封号的燕(yàn )国(guó )七皇子颜曦，征战齐(qí )国一举剿灭，并且带(dài )走(zǒu )亡国的小公(gōng )主桃小薇，五岁萌娃桃小薇进(jìn )入王府后，搅得王(wáng )府上(shàng )下鸡犬(quǎn )不宁，冷(lěng )血王爷首次体验养娃艰辛(xīn )，对(duì )桃小薇照顾的无微不至。二人打打(dǎ )闹闹，彼此成长