It seems it just forces you to take joy, without telling you. Since getting sunshine pills isn't possible in my game because the blueprints have not appeared yet and the shady dealer doesn't have any, I just have to. Really don't agree with having blueprints being in random locations in this game.
I cleared the required quests to cross plassey bridge, I fixed it but the door behind the down detector will not open. I've tried reloading and that did not fix anything. I'm playing on xbox one through game pass