The Enemy Within Walkthrough
The quest starts automatically after you complete the quest Sub Rosa. Go to admiral Cabral to the port administration of New Serene and report about everything. You will immediately get +3 to reputation with the Nauts. Talk to the team members, go to the tavern and talk to a prostitute. Pay her or use your intuition. Interestingly, the option that allows you to intimidate her comes without any fines. Return to the port, stand at the indicated place and wait. Follow Ruben to the cache. Do not leave the shelter. Instead, decide to search the cache. Talk to admiral and then ambush Ruben and buyers. Having defeated them all, pick up two documents and take them to admiral.
Reward: 2200 experience points, +5 to reputation with Nauts.