Fortyoneyearold Natalie Greene lost her mom and her childhood memories in a car crash two decades ago. What remains is a haunting feeling that she was responsible for her mothers death. After her husband leaves for another woman Natalie accompanies her famous stepsister Isabel Walker aka The Happiness Guru on a retreat to the Cayman Islands. There a latenight collision triggers Natalies longburied trauma and a heightened sense of guilt. Upon returning home to Boston Natalie tries to settle