Days of Wine and Stealing

Irina in the Kitchen of the Elfsong Tavern has run out of Ruby Wine and fears it will lead to the ruination of the the Elfsong Tavern. She will Recognize the Hero of Baldur's Gate and ask you to steal a barrel from the Cellars fo the Ducal Palace as Duke Belt keeps a supply on hand there.

Steal (Or Buy)
In the Conversation you can voice your concern about stealing from the Grand Dukes and will offer to give you the 50 Gold to leave in it's place to replace the Barrel. she will then describe the Smell of the wine, you can find them in the Cellar of the Dukal Palace, Along with the Dungeon where a Doppleganger and Sarevok's minon has been imprisoned (If she surrendered and wasn't killed in the Crypt) Interact with the Wine Barrels to find the right one you can then steal the barrel, even if you were given the gold to buy it, or you can leave the 50G in it's place. Returning to Irina finishes the quest.

Wizard's Option
Wizards have the option to Transmute a Standard Barrel of wine into a Barrel of Ruby Wine meaning you don't have to run back and forth to Complete the Quest

"Hero of Baldur's Gate: I am a Wizard of some skill.  I may be able to turn a barrel of normal wine into ruby wine.

Irina: You think so? Here's a Barrel of ordinary wine - do what you can."

-:Click the Barrel behind Irina-

"Irina: Now to taste it... Irina: Zustrin! This is amazing, it's just like ruby wine! Thank you, thank you!  Take this helmet it's a small price to pay for saving my Job.