In a South Island township a storm is brewing. A controversial irrigation scheme threatens to transform the landscape and a local farm is spearheading the conversion. The community is divided: on one side is the river, which will be lost if the district goes dairy, on the other side the prosperity that is promised by greener pastures. Water is big business and someone stands to make a killing. When a mysterious stranger appears on the riverbed — soaking wet and silent — the tensions in the community are pushed to breaking point. Nobody knows where he came from, and nobody knows what he wants. As accusations of complicity fly between the farmers and environmentalists, the conflict shifts from strong words to dangerous actions. It is only a matter of time before the levee's going to break…