- Talk to Sidorovich and accept the main mission.
- Enter the house ruin you see when you exit the bunker and talk to the stalker inside. Accept his mission.
- Stand in front of Kuznetsov and his men under the bridge, turn right and follow the train tracks. when you come near the derailed train, look between the boulders to find the green backpack.
- Return the backpack to the stalker, get the PDA and car keys. (The car is at the elevator but it won't start, you probably need to bind a key to start the engine, don't bother)
- Go to Garbage and get the tip about the squad from Bes.
- You'll notice the path to Agroprom is no longer there. Go to the X-18 instead and talk to the soldier there.
- You're at Cordon again. Go and report your success to Sidorovich.
- Go to Garbage and find your companion in the hangar.
- Part ways with your companion. Follow the road, take the first right, enter the lab.
- You're in Agroprom Underground, find the soldier and speak with him.
- Exit from the catacombs, you'll find yourself in Pripyat. Go near the downed helicopter, talk to the military captain.


  - PsyWarVeteran