EDIT:
Wait, so, you gave LUTE to bard, yes?
after that you should find in items GUIDE 4/4
Did you completed all in Lydia Quests?
I mean... have you a pimp ring in a items? After that, you should leave the INN, and find Lydia(bitch), talk with her and that should teleport you to new Lydia's room.
Thats end of First Chapter(episod).
Lydia since now will be at you tavern ( in main hall ), only at day.
You can also collect INN income ( thanks to you, i see a bug with a Inn Income
* you got a 5G bonus even if you dont help Cockold, or bard - you shouldn't *
* lydia should be sleeping in her room at night - i saw she wasn't there. Thanks*
Chapter 2 is in progress. I try to figure out how to make good lockipicking system XD
So Chapter 1 is completed, after quest with lydia.
Is it clear? or i fkd up something? XD
SPOILER
You should get 1 key from the guard (who is sleeping) - you have to steal it from him
2. You open the second gate using the switch on the first ground floor (red one).
3. Last gate - you need to approach the jug on the right, get past the guards and open the chests.
PS. Sorry for late, I was watching arifureta.