This mission can be picked up after the story quest "A Place I'll Call Home". The reward will vary depending on how you complete the quest.
Speak to Ollie west of the Juniper Windmill, then travel to the Renegade Camp at the marked location and interact with the door to be let inside. Once at the base, talk to the renegade woman in the room on the left. Then go up to the third floor and talk to the woman in the break room. After a conversation with both women, the Peacekeepers will contact you and inform you that they have learned about Aiden. You will have 60 seconds to find Karin after all, otherwise you will fail. Go down to the second floor to open the door that was previously locked. Behind it you will find Karin. Chat with the girl, after which you will receive two options on which the reward depends:
Hurry up to get working codes for free sets with lots of free parts, weapons, a new armored car and other prizes.
The studio has acknowledged several failures in the past.
The project is multiplayer and free.