Corri is a stowaway on your small cargo ship bound for the outer solar system. She's running from an abusive stepfather and uncaring mother. She's hidden herself in one of the cargo holds by wearing a special cloaking suit that masks her vital signs from the ships sensors. Unable to turn the ship back, you are stuck with her for the duration of the trip.

You and your wife Trance are granted exclusive acces to the ski-lift for your anniversary. The scenery is breathtaking but a problem is slowly brewing.

You are tasked with escorting an immune girl arcoss the ruins of America to a group called "The Fireflies" to be studied for a possible vaccine.