Jerome is at the height of his career as a United Nations Operative, his noble job has his skills placed on the line in low profile deployments all across the highly destabilized regions of the African Continent. Regardless of whether the public is aware of his actions, it is safe to say his dedication continues to ensure the stability of civilized society, even as the ongoing threat of a resource depleted Earth and Global Warming threatens to undermine all efforts. As an Operative, he is content with his place as a productive member of the special forces community in a world heading into an uncertain future. Until a mysterious rift appears in the icy wastelands of Antarctica, connecting our world to another beyond it, adding another variable, and perhaps perspective to his carefully crafted way of life.

After they taking care of Gordon Freeman and the rebellion, they are now started to conquer more dimensionals and taking their lives without mercy. What would characters from the multiverse will defend it from Combine invaders?