Zoologist and explorer George McGavin goes in search of some of the world's most impressive swarms. By getting right to the heart of these natural spectacles, he finds out why swarms are the ultimate solution to surviving against all odds and discovers how unlocking the secrets to how animals swarm could be crucial to understanding our own increasingly crowded lives.

Dr George McGavin and Dr Zoe Laughlin conduct a unique experiment at one of Britain's largest landfill sites revealing the secret world of rubbish, the evolution of our throwaway society and future uses for today's waste.

人们对生命的定义大多始于出生，终于死亡。然而生命不是玦而是环，没有开头，没有结束，只有永恒的循环。人们惧怕死亡、厌恶腐烂，殊不知没有腐烂、没有消亡，便没有新生命的诞生。腐烂是自然界最重要的力量，形形色色的分解者们在其中八仙过海，各显神通。请与我们一起跟随镜头，踏上自死来、往生去的奇异之旅吧。