It's been months since Paul has seen his younger brother, Sam. Now Sam has completely disappeared. Why? The truth lies at the heart of Watertown, a polluted slum afloat in the city's toxic harbour, where Sam has been working as a research assistant. Paul goes there to find his brother--and encounters people who will do anything to stop him. Can Paul find out the truth? Or does the dead water zone devour everyone who dares to enter it?