In the wake of a family tragedy, Joan and Anders Jacobs and their two daughters arrive for the summer at their holiday home in Massachusetts, only to find that a young man has drowned in the quarry on their land - was it an accident, suicide or murder? 15-year-old Eve becomes obsessed with proving foul play, but the mystery entwines each of the Jacobs in different ways, unexpectedly helping them to come to terms with their own loss and see the path forward.