有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国一举剿(jiǎo )灭，并且带走亡国(guó )的小公(gōng )主桃小薇，五岁萌娃桃小薇进入王府后，搅得王府上下(xià )鸡犬(quǎn )不(bú )宁，冷(lěng )血王爷首(shǒu )次体验养娃艰(jiān )辛(xīn )，对(duì )桃小薇照(zhào )顾的无微不至。二人打打闹闹，彼此成长