On a warm fall day in October, 1984 a fly fisher happened upon an Eastern Sierra creek that had been mostly dry since the LADWP diverted it in 1941 to flow hundreds of miles south to Los Angeles. Rush Creek flowed once more from the dam at Grant Lake seven miles to the mouth at Mono Lake, and it was alive with trout. Twenty-five years later, the fly fisher returns to Rush Creek to tell the story of the legal battle that ensued in 1984 and to discover the fate of the trout that saved a dying lake.