In which Mark Tuan is on a mission and ends up falling. Spy and Agent AU A/N : Everything in this work is purely for the purpose of entertainment, It is fictional. If it is to slightly co-relate with any other real event, know that it wasn't my intention. I do not intent to offend anyone or any group of persons. This is a respectful space and I would like to keep it that way. I got the cover from Pinterest, All credits to the original owner. It will probably change once I can find a customized one.All Rights Reserved