有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国一举剿灭(miè )，并(bìng )且带走亡国的小(xiǎo )公主桃小(xiǎo )薇，五岁萌娃桃小(xiǎo )薇进入王府后，搅得王府上(shàng )下鸡犬(quǎn )不宁，冷血王爷首(shǒu )次(cì )体验养娃艰辛，对桃小薇照顾的无(wú )微不至(zhì )。二(èr )人打(dǎ )打闹闹，彼此成长