CIA operative Ryan Drake is hoping to recover a valuable CIA asset and must infiltrate a heavily fortified base in order to do so. Unknown to Drake, his every move is being watched by a shadowy figure.  With minimal resistance, Drake silently makes his way into the base and rescues the asset. Things take a turn for the worse when the shadowy figure makes their presence known and all hell breaks out. Drake must now shoot his way out of this base while having to deal with this mysterious assassin.