He tasks you with going into the Institute and finding a cure he was working on. See, he's a Super Mutant that still retains his brain power so to speak.

Okay, maybe I'm missing something here, but one part of the game that pissed me off was Virgil and his goddamn magical mystery cure. Think of it like the Powder Gangers in New Vegas. From then on you can make settlements like normal, but instead of them being filled with settlers, they're filled with Raiders, with the Beantown Brewery being your main base of operations instead of Sanctuary or The Castle. Once Mama Murphy is in the hands of Tower Tom, he thanks you, pays you, and asks you to help lead his Raider band. What if instead of helping Preston, you had been able to help Tower Tom get Mama Murphy back? You meet up with a raider captain or whatever, he recruits you, you go in there and kill Preston and his posse and force Mama Murphy to come with you. The terminal entries goes on to mention they tracked Mama Murphy all the way to wherever Preston and his guys were held up in, which set into motion the events that led you to meeting the Minutemen and getting the Power Armor. You find out he actually had Mama Murphy kidnapped for a while and was using her to tell him the future. Here's the thing though, in the Beantown Brewery, you can read a terminal from the raider leader there named Tower Tom. Mama Murphy's a psychic somehow, we all know that. Now I KNOW this one has been brought up before, but I figured I'd mention it again. Here's some of the biggest ones I noticed:

But seriously, all jokes aside, there are quite a few things that get brought up in the game, and, had they been fleshed out more, would have made the game a lot better in my opinion.

Fallout 4 cure for virgil