The plot is quite correctly attached to the first part: you have to play for the familiar girl named Evelyn, your task is terse, but difficult - to clear the zombies lab, which became a center of spread of the virus and, thus, identify the causes of the disaster. The game has long passed the specified limits of the possible, so now before you complete action with the possibility of free movement on the location, quality 3D graphics and a huge number of jobs. Save people, collect weapons, clear new levels and of course, chop zombies!
The path to the cache: sdcard / Android/obb