When she arrives in the Hamptons for the summer, hoping for a fresh start for her and her son, Katie Doyle, exploring a new love affair with a wealthy investor, soon discovers that Southampton is not all that it seems to be, as she becomes submerged in a world of betrayal.

Katie Doyle and her young son move across the country to the Hamptons. She hopes to find summer employment while exploring her love affair with George, a dazzling investor. She soon discovers Southampton is a town of determined façades, betrayals, and affairs. When Katie meets Luke, a marine biologist and teacher, she begins to question the life she's begun to build on the shifting dunes of the Hamptons.