“If the day begins with Sunday silence, and you know for sure that today is Wednesday, then something is wrong.” One evening, London residents watched with interest an unusual phenomenon - a green shower of stars that lit up the entire sky. The next morning, witnesses to the mysterious phenomenon woke up blind, and soon it became clear that almost the entire population of the Earth had lost their sight. Great changes were coming in the world. Those few who managed to preserve their sight receive almost unlimited power and access to the resources accumulated by humanity. But trouble, as we know, does not come alone - and a third force comes into play: triffids, intelligent predatory plants capable of moving and hunting people. A sophisticated security system designed to contain highly valuable but extremely dangerous plants fails, and the triffids break free...