The night the sky broke out in mysterious green flashes, all but a few people on Earth were blinded. The world went mad. Ordinary folk became animals, turning on one another in terror and desperation. Bill Masen was one of a handful who struggled to preserve a shred of civilization amidst the chaos. But chaos soon became the least of mankind's problems. Walking plants were appearing -- plants that fed on the bodies of their human prey. The triffids had arrived, and it was up to Bill Masen to stop them!