Olive Parry is desperate to rescue her younger brother from a cruel foster mother. When her best friend Sam offers to cover the costs in exchange for her pretending to be his girlfriend during their Hamptons summer getaway, she readily agrees. There’s just one catch: she must avoid any romantic entanglement with Sam’s older brother. Things go smoothly at first, but Olive’s world is upended when she realizes that the mysterious man from her unforgettable one - night stand and the off - limits sibling she’s been warned away from are one and the same. Now, caught between her promise to Sam and her undeniable attraction, Olive faces a summer filled with heart - pounding decisions and risky desires.
