Growing up, May Hanover was always a good girl. Raised by a first-generation Chinese single mother with high expectations, May didn’t have room to slip up, let alone fail. But even good girls have secrets. And regrets. When it comes to her friendship with Lauren and Kelsey, she's had her fair share of both. Their bond --- forged when May was just 12 years old --- has withstood a tragic accident, individual scandals, heartbreak and loss. Now the three friends have reunited for the first time in years for a few days of sun and fun in the Hamptons. But a chance encounter with a pair of strangers leads to a drunken prank that goes horribly awry. When she finds herself at the center of an urgent police investigation, May begins to wonder if Lauren and Kelsey are keeping secrets from her, testing the limits of her loyalty to lifelong friends.