Days Gone Bye

Days Gone Bye is an overseer quest and part of The Mystery of Vault 31 multistage questline in Fallout Shelter.

Walkthrough
Throughout the vault there are raiders in groups of two to five that must be fought. There may also be a raider leader amongst them. The person that must be sought out will be on the 4th floor, in the rightmost room. She will give a reward of a legendary junk item and some caps.