On a seemingly normal August day in Boulder, Colorado, the skies are clear, and Honeysuckle Speck couldn't be happier. She's finally moving in with her girlfriend Yolanda. But their world is literally torn apart when dark clouds roll in and release a downpour of nails-splinters of bright crystal that shred the skin of anyone not safely under cover. RAIN makes vivid this escalating apocalyptic event, as the deluge of nails spreads across the country and around the world, threatening everything young lovers Honeysuckle and Yolanda hold dear.