Ben leads Greg, Jen, and special guest Daniel through this Night's Black Agents one shot from Free RPG Day a few years back. A group of people are informed of a mysterious document that leads them down a dark path...

If you'd like to try the scenario yourself it's still available for free on Drive Thru RPG!

https://www.drivethrurpg.com/product/191532/Swords-Against-the-Dead-The-Van-Helsing-Letter