I never played the first 2 Baldur's Gate games either .Up until BG3 my only experience of D&D games set in the Forgotten Realms were the 2 Dark Alliance titles on the PlayStation 2 which I loved and Neverwinter on the PS4 which I must have sunk a couple of hundred hours into.

I haven't played either of the Divinity games. I tried Divinity 2 and played for like an hour before uninstalling it. I think BG3 spoiled me and set my standards to high, without the dice rolls, 5e rule set and classic D&D races and classes I just didnt see myself getting into the Divinity games.

This youtuber has a couple really well made videos that cover the BG 1 and 2 storylines I have been binge watching alot of this dude.