A mysteriously spreading period of postcard winter conditions, complete with snow, over most of the northern hemisphere shortly before Christmas influences several otherwise unrelated lives. Most obviously, weather channel presenter Billy, a former studio boss, whose show now becomes news again, gets to know his prompter text writer Joey. Businessman Warren, a gifted lier who pretends to be stuck in airports to explain his delay on the way home to his gullible wife, is found out and dumped by his conquest in Baltimore.