Investigate for the Sad Wife

Talk to the sad wife in the Hub eastern part (Oldtown). She is in one of the middle buildings. She will tell you she is sad because her husband Joseph went to Boneyard and has never came back. Go to Boneyard and investigate! Make sure you visit the Scavengers part of Boneyard. Once you figure out was as happened to her husband, go back to the Hub to talk to the sad wife and complete the quest.