Helen is just fifteen, lanky and striking. She is a lifeguard at the pool at The Dunes hotel this summer-her first job, a step toward independence in a world beginning to treat her as an adult and a woman. Her mother, Kathy, watching Helen grow up, suddenly finds herself in a place equally uncertain: her children getting older, her stable marriage perhaps too stable, the slow days of summer leaving her adrift. When she meets Helen's boss, the manager...