Heejin just needed a job. After being rejected four times because of her age, she never expected to be the new secretary for the CEO of the most successful entertainment company after spilling her coffee on Ha Hyejoo, the CEO's little sister. 

After a messy break up with Jiwoo, Sooyoung doesn't think she can find happiness again. But then she finds it, in a form of a petite girl who doesn't know how to ride a bike and likes to sing French songs to her.

Haseul learned the hard way that a phone and alcohol don't match well together, you take a serious risk of being too honest and talking more than you should.