You have been crushing on your coworker Kim Jongin for a really long time. 

But unfortunately Jongin doesn't feel the same.

So how do you win his heart?
 

You hire THE mentor. 

The Love Doctor, Mr. Byun Baekhyun.

But what if things hadn't turned out like you two planned? 

Kang Moonri

General - 23 years old, works for Park & CO. with Jongin, Baekhyun's first female client.

Byun Baekhyun

General - 23, the 'love doctor' , helps Moonri get Kai

Kim Jongin , 23, works at Park & CO. with Moonri, uninterested in Moonri.