Chen Xiao is an overseas student whom Chen Luoru met by chance in a foreign country. Chen Xiao studied politics and economics in London. In her spare time, she works as a shopping guide in a luxury store and subsidizes living expenses. Chen Luoru often goes to that store to buy things. After a while, they gradually become friends, and Chen Luoru often helps her.
Their bright relationship has also become better and better in these processes, and Chen Xiao often listens to Chen Luoru's complaints, although her two families are very different.