有着冷漠杀神封号的燕国七皇子颜曦，征(zhēng )战齐国(guó )一举剿(jiǎo )灭，并且带走亡(wáng )国(guó )的小公主桃(táo )小(xiǎo )薇，五岁萌娃桃小(xiǎo )薇进入王府后，搅得王府上下鸡犬不(bú )宁，冷(lěng )血王爷首次(cì )体验养娃艰辛，对桃小(xiǎo )薇照顾的无(wú )微不至。二人打(dǎ )打闹闹，彼此成长