It's one of the worst and biggest environmental accident of all times that happens in the middle of a residential and commercial district molten mud bursting from beneath the earth's surface, displacing hundreds of villages and residents. It started off as a small pool of mud which has now grown into a frightening inland sea. The place - Sedorja, Indonesia. Geologists have estimated that the mud will continue to flow for the next 30, and maybe 100 years! Every day, 125,000 cubic metres is being ejected from beneath the ground. This documentary goes behind the headlines news story to look at the efforts to contain it, the victims and the effect on the environment.