Beomgyu is a rookie cop, he's investigating the assassination attempt caused by you.

You are a serial killer, and your next target is Beomgyu.

He was waiting for the bus home when you ran over and took the bus with him. You and he went down to stop, he noticed that you forgot your things and ran to pay you. But

But unfortunately, when you have just received your items, a murderer runs up and takes you hostage.