Dragon Heist Start?

I purchased Waterdeep: Dragon Heist. All it allows me to add to the game are the four "seasonal" adventures. I understood that those are "branches" to the story. Autumn starts at chapter 4, I think--where do I start? EDIT: Looks like I should have a core addon, but four seasons are all that are available.

I believe that if you create a game with the Module, it loads with chapters 1-4, and will have all the intro content in it (such as Volo's Enchiridiolonioinoin). You don't need to load the addon materials until after you complete the intro bit that loads with the module setup.

Chris said: I believe that if you create a game with the Module, it loads with chapters 1-4, and will have all the intro content in it (such as Volo's Enchiridiolonioinoin). You don't need to load the addon materials until after you complete the intro bit that loads with the module setup. Thank you. I figured out that I had to create a new game with the module attached. So instead of moving PCs into a character vault, I spent some time with the transmogrifier.