- Travel to Abernathy Farm
- Retrieve Mary's locket in USAF Satellite Station Olivia
- Report your success to Black Abernathy
- Talk to Preston Garvey
This quest become available when visiting Abernathy Farm for the first time. Speak to Blake Abernathy and agree to help him with his dilemna.
Travel to the Raider base at USAF Satellite Station Olivia. Fight through the enemies and retrieve Mary's Locket which is in a toolbox. Return back to Abernathy Farm and speak with Blake, and then report to Preston Garvey.
Returning the Favor Walkthrough