有着冷漠(mò )杀神封号的燕国七皇子颜曦，征战齐(qí )国一举剿灭，并且带走亡(wáng )国(guó )的小公(gōng )主桃小薇，五岁萌娃桃(táo )小(xiǎo )薇进入(rù )王府(fǔ )后，搅得王府上(shàng )下鸡犬不(bú )宁(níng )，冷血王爷首次体验养娃(wá )艰辛，对桃小薇照顾的无微不至。二人打打(dǎ )闹闹，彼此(cǐ )成长