(You are Kim Dan)

When you are on the bus someone called you and it was Joo Jaekyung you didn't know why he called you just and you answered he's call he said

"Hello, Kim Dan. I want you to go here. I'm at my mansion right now. I'll give you the address, I need your help."

You didn't know why Joo Jaekyung wanted you to go into he's mansion so you decided to go there without knowing Jaekyung will use you