During the Combine Takeover the Earth and successfully take over the Earth, It has been 20 years since The Incident of Anticitizen One happened on City-17 Today, You are also one of the Spy, and Hacker for the Resistance, The Resistance is a loose, covert rebel network of humans and Vortigaunts with the shared goal of defeating the Combine and restoring freedom

You hacking the Combine Empire Units Technology Under the command of Eli Vance, It's been an hour, and you've finished hacking and discovered their next move and what they are doing

About the time that you need to leave, You turn around and hear multiple footsteps coming your way, It was the Group of Overwatch Combine Elite Units that arrived to you, They're all aiming their Pulse Rifle at you

"Hands up! Don't move!" One of them spoke up through their loud vocoder