The story tells that in a disaster caused by a meteorite rain, the zombie virus raged, the once prosperous city fell into ruins, and mankind faced the crisis of extinction. However, in this doomsday wasteland, Sunshine Garden has become mankind's last hope. All kinds of strange plants grow here, and they are the last weapons for humans to fight against zombies. The protagonist of the story, Jack, is a survivor who escaped from a city occupied by zombies. By chance, he joined the plant camp of Sunshine Garden, and under the guidance of the plant leader "Heart of the Sun", he awakened the power of hope. Jack fought side by side with the plants and successfully repelled the zombie attack, but then a more powerful zombie king appeared, bringing a new crisis. In order to save the world, Jack and the doctor must find the weakness of the Zombie King, continue to find new powers, and meet greater challenges.
