Drinking Sapphire Wine is a quest related to one of your companions - Parvati. During it, you will help her in building relations with the Groundbreaker's captain. This page of the guide to The Outer Worlds has a walkthrough for this side quest.
- Acquaint Parvati with Junlei Tennyson;
- Go back on board the Unreliable and talk to Parvati about Junlei;
- Take Parvati to Lost Hope on the Groundbreaker;
- Return with Parvati to the ship.
The quest will begin as soon as you dock on the Groundbreaker. Parvati will talk to you near the exit. She wants to meet captain Junlei Tennyson. If you agree, you will have to take your companion to the engine room.
After a short conversation with Junlei Tennyson, you can let Parvati get acquainted with the captain. During the conversation between them, you can intervene or let them speak.
Then, return to the ship and talk with the companion. She tells you about the information she got from Junlei. She will also tell you what she thinks. Parvati will ask you to meet her at the bar.
Your next goal is to find The Lost Hope Bar on the Groundbreaker. Take Parvati there and talk to her. During the conversation, you can decide whether the companion should risk and negotiate with the captain.
Go back to the ship and talk to the companion. You will learn how the case ended. This completes the quest.