To put it plainly, you and Viktor hated each other.

No matter how hard you tried, you just couldn't just get along, and it pissed Makarov off to no end... so he decided he would do something about it.

He'd (quite forcefully) instructed you to go organise some of the guns in the store room... but once you got in there, the door shut behind you... and locked. You figured by the time you were done, someone would find you, and it might be a break... until you heard his voice.

"Not you..."