Nuclear winter

"Everything is finally looking up for Flavie: her sister's been visiting, her relationship with Marco is... okay, but most of all, it's finally getting warmer! When it looks like winter might end, Flavie volunteers to assist on an university research project to find out if the temperature has been rising across the entire region. It's a good distraction from Marco, and the trip is exactly what Flavie needs, until she and the research team venture to the dangerous Free Territories, where the old reactor that started the nuclear winter remains"--Provided by publisher.