When Detective Ariki Davis saves his boss Stephen Tremaine from ending his life on the infamous One Lane Bridge, he inadvertently triggers a chain of events that uncovers long buried secrets and claims the life of one of his closest friends. Centered around the political hotbed of water rights, which is the key to unlocking a multi million dollar property development, passionate young eco activists go to war with the Queenstown business elite, as the murder case builds to a deadly and disturbing climax.