The bar code is kept by her. How could the envelope in the locker vanish?

She reaches out her hand into the locker to check, but nothing wrong is found. At this moment, she receives a short message. It’s sent by that unknown number and includes the vdisk account and password.

She calls him back at the drop of that, but the phone has been switched off.

It seems that the trap map has been taken away by him!

She calls Muxian frustratedly and ...