Set in the not-so-distant future, Dr. Jennifer Ashgrove - one of the world's top scientists - is battling to find a cure to a crisis that affects the world's water supply. As the weight of the world takes its toll, she retreats to the countryside with her husband in a bid to clear her mind. But their relationship is strained, and they soon realize that their ability to save their marriage will literally determine the fate of humankind itself.