Shamani realizes that the coconuts Drest used for the palm wine were sealed with none other than Bacchus wine leaves. He sends you to ask Drest if he knows where to find more.
Requirements
This quest is available if you have completed the quest It Was a Very Good Year.
Starting the Quest
Talk to Shamani Lohmani in Wineport in the western half of Eastern La Noscea to begin the quest.
Show the Bacchus Leaf to Drest
Go back to Drest's shack and talk to him to hand over the Bacchus grape leaf.
Search for the Goobbue Near the Juggernaut
Go southeast to find the purple glowing Destination. Check on it and Shezmu will attack. Kill it.
Deliver the Bacchus Cutting
Go north to Wineport and talk to Shamani Lohmani to hand over the Bacchus grape vine. There will be a cutscene.
Deliver the Wine to Wheiskaet
Go south to the ferry docks and talk to the Ferry Skipper to go to the eastern half of Eastern La Noscea. Then go southeast and talk to Wheiskaet to hand over the wine and complete the quest.
Next Main Scenario Quest
After you complete the quest, talk to Y'shtola to accept the next quest: In the Company of Heroes. There will be a cutscene.